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CVE-2023-31038

Apache Log4cxx: SQL injection when using ODBC appender

8.8 HighFix available

SQL injection in Log4cxx when using the ODBC appender to send log messages to a database.  No fields sent to the database were properly escaped for SQL injection.  This has been the case since at least version 0.9.0(released 2003-08-06)

Note that Log4cxx is a C++ framework, so only C++ applications are affected.

Before version 1.1.0, the ODBC appender was automatically part of Log4cxx if the library was found when compiling the library.  As of version 1.1.0, this must be both explicitly enabled in order to be compiled in.

Three preconditions must be met for this vulnerability to be possible:

  1. Log4cxx compiled with ODBC support(before version 1.1.0, this was auto-detected at compile time)

  2. ODBCAppender enabled for logging messages to, generally done via a config file

  3. User input is logged at some point. If your application does not have user input, it is unlikely to be affected.

Users are recommended to upgrade to version 1.1.0 which properly binds the parameters to the SQL statement, or migrate to the new DBAppender class which supports an ODBC connection in addition to other databases. Note that this fix does require a configuration file update, as the old configuration files will not configure properly.  An example is shown below, and more information may be found in the Log4cxx documentation on the ODBCAppender.

Example of old configuration snippet:

<appender name="SqlODBCAppender" class="ODBCAppender">

    <param name="sql" value="INSERT INTO logs (message) VALUES ('%m')" />

    ... other params here ...

</appender>

The migrated configuration snippet with new ColumnMapping parameters:

<appender name="SqlODBCAppender" class="ODBCAppender">

    <param name="sql" value="INSERT INTO logs (message) VALUES (?)" />

    <param name="ColumnMapping" value="message"/>     ... other params here ...

</appender>

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

1.60%Up 1.6 points since May 9, 2023
90%50%10%1%

What each source reports

NVD Score used 8.8

SQL injection in Log4cxx when using the ODBC appender to send log messages to a database.  No fields sent to the database were properly escaped for SQL injection.  This has been the case since at least version 0.9.0(released 2003-08-06)

Note that Log4cxx is a C++ framework, so only C++ applications are affected.

Before version 1.1.0, the ODBC appender was automatically part of Log4cxx if the library was found when compiling the library.  As of version 1.1.0, this must be both explicitly enabled in order to be compiled in.

Three preconditions must be met for this vulnerability to be possible:

  1. Log4cxx compiled with ODBC support(before version 1.1.0, this was auto-detected at compile time)

  2. ODBCAppender enabled for logging messages to, generally done via a config file

  3. User input is logged at some point. If your application does not have user input, it is unlikely to be affected.

Users are recommended to upgrade to version 1.1.0 which properly binds the parameters to the SQL statement, or migrate to the new DBAppender class which supports an ODBC connection in addition to other databases. Note that this fix does require a configuration file update, as the old configuration files will not configure properly.  An example is shown below, and more information may be found in the Log4cxx documentation on the ODBCAppender.

Example of old configuration snippet:

<appender name="SqlODBCAppender" class="ODBCAppender">

    <param name="sql" value="INSERT INTO logs (message) VALUES ('%m')" />

    ... other params here ...

</appender>

The migrated configuration snippet with new ColumnMapping parameters:

<appender name="SqlODBCAppender" class="ODBCAppender">

    <param name="sql" value="INSERT INTO logs (message) VALUES (?)" />

    <param name="ColumnMapping" value="message"/>     ... other params here ...

</appender>

Record
CVE-2023-31038
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-89
Updated
2026-11-02
CVE List 8.8

Apache Log4cxx: SQL injection when using ODBC appender

SQL injection in Log4cxx when using the ODBC appender to send log messages to a database.  No fields sent to the database were properly escaped for SQL injection.  This has been the case since at least version 0.9.0(released 2003-08-06)

Note that Log4cxx is a C++ framework, so only C++ applications are affected.

Before version 1.1.0, the ODBC appender was automatically part of Log4cxx if the library was found when compiling the library.  As of version 1.1.0, this must be both explicitly enabled in order to be compiled in.

Three preconditions must be met for this vulnerability to be possible:

  1. Log4cxx compiled with ODBC support(before version 1.1.0, this was auto-detected at compile time)

  2. ODBCAppender enabled for logging messages to, generally done via a config file

  3. User input is logged at some point. If your application does not have user input, it is unlikely to be affected.

Users are recommended to upgrade to version 1.1.0 which properly binds the parameters to the SQL statement, or migrate to the new DBAppender class which supports an ODBC connection in addition to other databases. Note that this fix does require a configuration file update, as the old configuration files will not configure properly.  An example is shown below, and more information may be found in the Log4cxx documentation on the ODBCAppender.

Example of old configuration snippet:

<appender name="SqlODBCAppender" class="ODBCAppender">

    <param name="sql" value="INSERT INTO logs (message) VALUES ('%m')" />

    ... other params here ...

</appender>

The migrated configuration snippet with new ColumnMapping parameters:

<appender name="SqlODBCAppender" class="ODBCAppender">

    <param name="sql" value="INSERT INTO logs (message) VALUES (?)" />

    <param name="ColumnMapping" value="message"/>     ... other params here ...

</appender>

Record
CVE-2023-31038
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-89
Updated
2026-11-02
EUVDEUVD-2023-35375 8.8

SQL injection in Log4cxx when using the ODBC appender to send log messages to a database.  No fields sent to the database were properly escaped for SQL injection.  This has been the case since at least version 0.9.0(released 2003-08-06)

Note that Log4cxx is a C++ framework, so only C++ applications are affected.

Before version 1.1.0, the ODBC appender was automatically part of Log4cxx if the library was found when compiling the library.  As of version 1.1.0, this must be both explicitly enabled in order to be compiled in.

Three preconditions must be met for this vulnerability to be possible:

  1. Log4cxx compiled with ODBC support(before version 1.1.0, this was auto-detected at compile time)

  2. ODBCAppender enabled for logging messages to, generally done via a config file

  3. User input is logged at some point. If your application does not have user input, it is unlikely to be affected.

Users are recommended to upgrade to version 1.1.0 which properly binds the parameters to the SQL statement, or migrate to the new DBAppender class which supports an ODBC connection in addition to other databases. Note that this fix does require a configuration file update, as the old configuration files will not configure properly.  An example is shown below, and more information may be found in the Log4cxx documentation on the ODBCAppender.

Example of old configuration snippet:

<appender name="SqlODBCAppender" class="ODBCAppender">

    <param name="sql" value="INSERT INTO logs (message) VALUES ('%m')" />

    ... other params here ...

</appender>

The migrated configuration snippet with new ColumnMapping parameters:

<appender name="SqlODBCAppender" class="ODBCAppender">

    <param name="sql" value="INSERT INTO logs (message) VALUES (?)" />

    <param name="ColumnMapping" value="message"/>     ... other params here ...

</appender>

Record
EUVD-2023-35375
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-03
GitHub AdvisoriesGHSA-76cx-3v2m-9952 8.8

SQL injection in Log4cxx when using the ODBC appender to send log messages to a database.  No...

SQL injection in Log4cxx when using the ODBC appender to send log messages to a database.  No fields sent to the database were properly escaped for SQL injection.  This has been the case since at least version 0.9.0(released 2003-08-06)

Note that Log4cxx is a C++ framework, so only C++ applications are affected.

Before version 1.1.0, the ODBC appender was automatically part of Log4cxx if the library was found when compiling the library.  As of version 1.1.0, this must be both explicitly enabled in order to be compiled in.

Three preconditions must be met for this vulnerability to be possible:

  1. Log4cxx compiled with ODBC support(before version 1.1.0, this was auto-detected at compile time)

  2. ODBCAppender enabled for logging messages to, generally done via a config file

  3. User input is logged at some point. If your application does not have user input, it is unlikely to be affected.

Users are recommended to upgrade to version 1.1.0 which properly binds the parameters to the SQL statement, or migrate to the new DBAppender class which supports an ODBC connection in addition to other databases. Note that this fix does require a configuration file update, as the old configuration files will not configure properly.  An example is shown below, and more information may be found in the Log4cxx documentation on the ODBCAppender.

Example of old configuration snippet:

<appender name="SqlODBCAppender" class="ODBCAppender">

    <param name="sql" value="INSERT INTO logs (message) VALUES ('%m')" />

    ... other params here ...

</appender>

The migrated configuration snippet with new ColumnMapping parameters:

<appender name="SqlODBCAppender" class="ODBCAppender">

    <param name="sql" value="INSERT INTO logs (message) VALUES (?)" />

    <param name="ColumnMapping" value="message"/>     ... other params here ...

</appender>

Record
GHSA-76cx-3v2m-9952
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-89
Updated
2026-11-02
OSV 8.8

Apache Log4cxx: SQL injection when using ODBC appender

SQL injection in Log4cxx when using the ODBC appender to send log messages to a database.  No fields sent to the database were properly escaped for SQL injection.  This has been the case since at least version 0.9.0(released 2003-08-06)

Note that Log4cxx is a C++ framework, so only C++ applications are affected.

Before version 1.1.0, the ODBC appender was automatically part of Log4cxx if the library was found when compiling the library.  As of version 1.1.0, this must be both explicitly enabled in order to be compiled in.

Three preconditions must be met for this vulnerability to be possible:

  1. Log4cxx compiled with ODBC support(before version 1.1.0, this was auto-detected at compile time)

  2. ODBCAppender enabled for logging messages to, generally done via a config file

  3. User input is logged at some point. If your application does not have user input, it is unlikely to be affected.

Users are recommended to upgrade to version 1.1.0 which properly binds the parameters to the SQL statement, or migrate to the new DBAppender class which supports an ODBC connection in addition to other databases. Note that this fix does require a configuration file update, as the old configuration files will not configure properly.  An example is shown below, and more information may be found in the Log4cxx documentation on the ODBCAppender.

Example of old configuration snippet:

<appender name="SqlODBCAppender" class="ODBCAppender">

    <param name="sql" value="INSERT INTO logs (message) VALUES ('%m')" />

    ... other params here ...

</appender>

The migrated configuration snippet with new ColumnMapping parameters:

<appender name="SqlODBCAppender" class="ODBCAppender">

    <param name="sql" value="INSERT INTO logs (message) VALUES (?)" />

    <param name="ColumnMapping" value="message"/>     ... other params here ...

</appender>

Record
CVE-2023-31038
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-89
Updated
2026-11-02
OSVDEBIAN-CVE-2023-31038 8.8

SQL injection in Log4cxx when using the ODBC appender to send log messages to a database.  No fields sent to the database were properly escaped for SQL injection.  This has been the case since at least version 0.9.0(released 2003-08-06) Note that Log4cxx is a C++ framework, so only C++ applications are affected. Before version 1.1.0, the ODBC appender was automatically part of Log4cxx if the library was found when compiling the library.  As of version 1.1.0, this must be both explicitly enabled in order to be compiled in. Three preconditions must be met for this vulnerability to be possible: 1. Log4cxx compiled with ODBC support(before version 1.1.0, this was auto-detected at compile time) 2. ODBCAppender enabled for logging messages to, generally done via a config file 3. User input is logged at some point. If your application does not have user input, it is unlikely to be affected. Users are recommended to upgrade to version 1.1.0 which properly binds the parameters to the SQL statement, or migrate to the new DBAppender class which supports an ODBC connection in addition to other databases. Note that this fix does require a configuration file update, as the old configuration files will not configure properly.  An example is shown below, and more information may be found in the Log4cxx documentation on the ODBCAppender. Example of old configuration snippet: <appender name="SqlODBCAppender" class="ODBCAppender">     <param name="sql" value="INSERT INTO logs (message) VALUES ('%m')" />     ... other params here ... </appender> The migrated configuration snippet with new ColumnMapping parameters: <appender name="SqlODBCAppender" class="ODBCAppender">     <param name="sql" value="INSERT INTO logs (message) VALUES (?)" />     <param name="ColumnMapping" value="message"/>     ... other params here ... </appender>

Record
DEBIAN-CVE-2023-31038
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2023-31038 8.8

SQL injection in Log4cxx when using the ODBC appender to send log messages to a database.  No fields sent to the database were properly escaped for SQL injection.  This has been the case since at least version 0.9.0(released 2003-08-06) Note that Log4cxx is a C++ framework, so only C++ applications are affected. Before version 1.1.0, the ODBC appender was automatically part of Log4cxx if the library was found when compiling the library.  As of version 1.1.0, this must be both explicitly enabled in order to be compiled in. Three preconditions must be met for this vulnerability to be possible: 1. Log4cxx compiled with ODBC support(before version 1.1.0, this was auto-detected at compile time) 2. ODBCAppender enabled for logging messages to, generally done via a config file 3. User input is logged at some point. If your application does not have user input, it is unlikely to be affected. Users are recommended to upgrade to version 1.1.0 which properly binds the parameters to the SQL statement, or migrate to the new DBAppender class which supports an ODBC connection in addition to other databases. Note that this fix does require a configuration file update, as the old configuration files will not configure properly.  An example is shown below, and more information may be found in the Log4cxx documentation on the ODBCAppender. Example of old configuration snippet: <appender name="SqlODBCAppender" class="ODBCAppender">     <param name="sql" value="INSERT INTO logs (message) VALUES ('%m')" />     ... other params here ... </appender> The migrated configuration snippet with new ColumnMapping parameters: <appender name="SqlODBCAppender" class="ODBCAppender">     <param name="sql" value="INSERT INTO logs (message) VALUES (?)" />     <param name="ColumnMapping" value="message"/>     ... other params here ... </appender>

Record
UBUNTU-CVE-2023-31038
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVopenSUSE-SU-2024:13545-1 No score

liblog4cxx-devel-1.1.0-1.1 on GA media

These are all security issues fixed in the liblog4cxx-devel-1.1.0-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:13545-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
log4cxx
Debian:12
All versions, plus listed versions
1.0.0-11.0.0-1+deb12u11.1.0-11.1.0-1~exp11.2.0-1
Show 5 moreShow less
1.3.0-11.3.1-11.4.0-11.4.0-1.11.5.0-1
None known
log4cxx
Debian:13
before 1.1.0-1
1.1.0-1
log4cxx
Debian:14
before 1.1.0-1
1.1.0-1
log4cxx
Ubuntu:14.04:LTS
All versions, plus listed versions
0.10.0-1.2ubuntu3
None known
log4cxx
Ubuntu:16.04:LTS
All versions, plus listed versions
0.10.0-9ubuntu10.10.0-9ubuntu20.10.0-10ubuntu1
None known
log4cxx
Ubuntu:18.04:LTS
All versions, plus listed versions
0.10.0-12ubuntu10.10.0-13ubuntu10.10.0-13ubuntu2
None known
log4cxx
Ubuntu:20.04:LTS
All versions, plus listed versions
0.10.0-15ubuntu10.10.0-15ubuntu2
None known
log4cxx
Ubuntu:22.04:LTS
All versions, plus listed versions
0.11.0-2ubuntu10.11.0-3ubuntu20.12.1-4
None known
log4cxx
Ubuntu:24.04:LTS
All versions, plus listed versions
1.1.0-11.1.0-1build11.1.0-1build21.1.0-1build3
None known
log4cxx
Ubuntu:25.10
All versions, plus listed versions
1.3.1-11.4.0-1
None known
log4cxx
Ubuntu:26.10
All versions, plus listed versions
1.5.0-1
None known
log4cxx
Ubuntu:26.04:LTS
All versions, plus listed versions
1.4.0-11.5.0-1
None known
log4cxx
openSUSE:Tumbleweed
before 1.1.0-1.1
1.1.0-1.1

History

History
RecordedChangedSources
aliases, publishedEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-31038 is a high vulnerability (CVSS 8.8) in Apache Log4cxx, published May 8, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.60%, the 75th percentile. Fixed in log4cxx 1.1.0-1.

References

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