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CVE-2023-42445

Possible local file exfiltration by XML External entity injection

6.8 MediumFix available

Gradle is a build tool with a focus on build automation and support for multi-language development. In some cases, when Gradle parses XML files, resolving XML external entities is not disabled. Combined with an Out Of Band XXE attack (OOB-XXE), just parsing XML can lead to exfiltration of local text files to a remote server. Gradle parses XML files for several purposes. Most of the time, Gradle parses XML files it generated or were already present locally. Only Ivy XML descriptors and Maven POM files can be fetched from remote repositories and parsed by Gradle. In Gradle 7.6.3 and 8.4, resolving XML external entities has been disabled for all use cases to protect against this vulnerability. Gradle will now refuse to parse XML files that have XML external entities.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
High
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
High
Integrity
None
Availability
High

Exploit likelihood

0.78%Up 0.7 points since Oct 7, 2023
90%50%10%1%

What each source reports

CVE List Score used 6.8

Possible local file exfiltration by XML External entity injection

Gradle is a build tool with a focus on build automation and support for multi-language development. In some cases, when Gradle parses XML files, resolving XML external entities is not disabled. Combined with an Out Of Band XXE attack (OOB-XXE), just parsing XML can lead to exfiltration of local text files to a remote server. Gradle parses XML files for several purposes. Most of the time, Gradle parses XML files it generated or were already present locally. Only Ivy XML descriptors and Maven POM files can be fetched from remote repositories and parsed by Gradle. In Gradle 7.6.3 and 8.4, resolving XML external entities has been disabled for all use cases to protect against this vulnerability. Gradle will now refuse to parse XML files that have XML external entities.

Record
CVE-2023-42445
CVSS 3.1
6.8 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:H
Weakness
CWE-611
Updated
2026-11-02
EUVDEUVD-2023-46893 6.8

Gradle is a build tool with a focus on build automation and support for multi-language development. In some cases, when Gradle parses XML files, resolving XML external entities is not disabled. Combined with an Out Of Band XXE attack (OOB-XXE), just parsing XML can lead to exfiltration of local text files to a remote server. Gradle parses XML files for several purposes. Most of the time, Gradle parses XML files it generated or were already present locally. Only Ivy XML descriptors and Maven POM files can be fetched from remote repositories and parsed by Gradle. In Gradle 7.6.3 and 8.4, resolving XML external entities has been disabled for all use cases to protect against this vulnerability. Gradle will now refuse to parse XML files that have XML external entities.

Record
EUVD-2023-46893
CVSS 3.1
6.8 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:H
Updated
2026-11-02
NVD 6.8

Gradle is a build tool with a focus on build automation and support for multi-language development. In some cases, when Gradle parses XML files, resolving XML external entities is not disabled. Combined with an Out Of Band XXE attack (OOB-XXE), just parsing XML can lead to exfiltration of local text files to a remote server. Gradle parses XML files for several purposes. Most of the time, Gradle parses XML files it generated or were already present locally. Only Ivy XML descriptors and Maven POM files can be fetched from remote repositories and parsed by Gradle. In Gradle 7.6.3 and 8.4, resolving XML external entities has been disabled for all use cases to protect against this vulnerability. Gradle will now refuse to parse XML files that have XML external entities.

Record
CVE-2023-42445
CVSS 3.1
6.8 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:H
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
Weakness
CWE-611
Updated
2026-11-02
OSVBELL-CVE-2023-42445 5.3
Record
BELL-CVE-2023-42445
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
Updated
2026-11-02
OSV 6.8

Possible local file exfiltration by XML External entity injection

Gradle is a build tool with a focus on build automation and support for multi-language development. In some cases, when Gradle parses XML files, resolving XML external entities is not disabled. Combined with an Out Of Band XXE attack (OOB-XXE), just parsing XML can lead to exfiltration of local text files to a remote server. Gradle parses XML files for several purposes. Most of the time, Gradle parses XML files it generated or were already present locally. Only Ivy XML descriptors and Maven POM files can be fetched from remote repositories and parsed by Gradle. In Gradle 7.6.3 and 8.4, resolving XML external entities has been disabled for all use cases to protect against this vulnerability. Gradle will now refuse to parse XML files that have XML external entities.

Record
CVE-2023-42445
CVSS 3.1
6.8 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:H
Weakness
CWE-611
Updated
2026-11-02
OSVDEBIAN-CVE-2023-42445 5.3

Gradle is a build tool with a focus on build automation and support for multi-language development. In some cases, when Gradle parses XML files, resolving XML external entities is not disabled. Combined with an Out Of Band XXE attack (OOB-XXE), just parsing XML can lead to exfiltration of local text files to a remote server. Gradle parses XML files for several purposes. Most of the time, Gradle parses XML files it generated or were already present locally. Only Ivy XML descriptors and Maven POM files can be fetched from remote repositories and parsed by Gradle. In Gradle 7.6.3 and 8.4, resolving XML external entities has been disabled for all use cases to protect against this vulnerability. Gradle will now refuse to parse XML files that have XML external entities.

Record
DEBIAN-CVE-2023-42445
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
Updated
2026-11-02
OSVUBUNTU-CVE-2023-42445 6.8

Gradle is a build tool with a focus on build automation and support for multi-language development. In some cases, when Gradle parses XML files, resolving XML external entities is not disabled. Combined with an Out Of Band XXE attack (OOB-XXE), just parsing XML can lead to exfiltration of local text files to a remote server. Gradle parses XML files for several purposes. Most of the time, Gradle parses XML files it generated or were already present locally. Only Ivy XML descriptors and Maven POM files can be fetched from remote repositories and parsed by Gradle. In Gradle 7.6.3 and 8.4, resolving XML external entities has been disabled for all use cases to protect against this vulnerability. Gradle will now refuse to parse XML files that have XML external entities.

Record
UBUNTU-CVE-2023-42445
CVSS 3.1
6.8 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:H
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
Updated
2026-11-02
OSVBIT-gradle-2023-42445 No score

Possible local file exfiltration by XML External entity injection

Gradle is a build tool with a focus on build automation and support for multi-language development. In some cases, when Gradle parses XML files, resolving XML external entities is not disabled. Combined with an Out Of Band XXE attack (OOB-XXE), just parsing XML can lead to exfiltration of local text files to a remote server. Gradle parses XML files for several purposes. Most of the time, Gradle parses XML files it generated or were already present locally. Only Ivy XML descriptors and Maven POM files can be fetched from remote repositories and parsed by Gradle. In Gradle 7.6.3 and 8.4, resolving XML external entities has been disabled for all use cases to protect against this vulnerability. Gradle will now refuse to parse XML files that have XML external entities.

Record
BIT-gradle-2023-42445
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
gradle
Alpaquita:23
7.5.1-r3 up to 7.6.3-r0
7.6.3-r0
gradle
Alpaquita:stream
7.6-r1 up to 8.4-r0
8.4-r0
gradle
Bitnami
before 7.6.3, 8.0.0 up to 8.4.0
7.6.38.4.0
gradle
Debian:12
All versions, plus listed versions
4.4.1-184.4.1-194.4.1-204.4.1-214.4.1-22
Show 8 moreShow less
4.4.1-234.5.1-14.6-14.6-24.6-34.6-44.6-54.7-1
None known
gradle
Debian:13
All versions, plus listed versions
4.4.1-224.4.1-234.5.1-14.6-14.6-2
Show 4 moreShow less
4.6-34.6-44.6-54.7-1
None known
gradle
Debian:14
All versions, plus listed versions
4.4.1-224.4.1-234.5.1-14.6-14.6-2
Show 4 moreShow less
4.6-34.6-44.6-54.7-1
None known
gradle
Ubuntu:16.04:LTS
All versions, plus listed versions
2.5-32.7-12.7-22.7-32.10-1
None known
gradle
Ubuntu:Pro:18.04:LTS
All versions, plus listed versions
3.2.1-3build23.2.1-43.2.1-53.4.1-43.4.1-63.4.1-7ubuntu14.4.1-5ubuntu2~18.044.4.1-5ubuntu2~18.04+esm1
None known
gradle
Ubuntu:20.04:LTS
All versions, plus listed versions
4.4.1-84.4.1-94.4.1-10
None known
gradle
Ubuntu:22.04:LTS
All versions, plus listed versions
4.4.1-13
None known
Show 4 moreShow less
Affected packages
PackageAffectedFixed
gradle
Ubuntu:24.04:LTS
All versions, plus listed versions
4.4.1-184.4.1-20
None known
gradle
Ubuntu:25.10
All versions, plus listed versions
4.4.1-22
None known
gradle
Ubuntu:26.10
All versions, plus listed versions
4.4.1-22ubuntu14.4.1-23
None known
gradle
Ubuntu:26.04:LTS
All versions, plus listed versions
4.4.1-224.4.1-22build14.4.1-22ubuntu1
None known

History

History
RecordedChangedSources
first indexedCVE List, EUVD, NVD, OSV

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

In short

CVE-2023-42445 is a medium vulnerability (CVSS 6.8) in Gradle, published October 6, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.78%, the 56th percentile. Fixed in gradle 7.6.3-r0.

References

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