CVE-2018-1337
Credential leak in org.apache.directory.api:apache-ldap-api
In Apache Directory LDAP API before 1.0.2, a bug in the way the SSL Filter was setup made it possible for another thread to use the connection before the TLS layer has been established, if the connection has already been used and put back in a pool of connections, leading to leaking any information contained in this request (including the credentials when sending a BIND request).
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
In Apache Directory LDAP API before 1.0.2, a bug in the way the SSL Filter was setup made it possible for another thread to use the connection before the TLS layer has been established, if the connection has already been used and put back in a pool of connections, leading to leaking any information contained in this request (including the credentials when sending a BIND request).
- Record
CVE-2018-1337- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
CVE List No score
In Apache Directory LDAP API before 1.0.2, a bug in the way the SSL Filter was setup made it possible for another thread to use the connection before the TLS layer has been established, if the connection has already been used and put back in a pool of connections, leading to leaking any information contained in this request (including the credentials when sending a BIND request).
- Record
CVE-2018-1337- Updated
- 2026-11-02
EUVDEUVD-2018-0745 No score
In Apache Directory LDAP API before 1.0.2, a bug in the way the SSL Filter was setup made it possible for another thread to use the connection before the TLS layer has been established, if the connection has already been used and put back in a pool of connections, leading to leaking any information contained in this request (including the credentials when sending a BIND request).
- Record
EUVD-2018-0745- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-cfw5-v7cw-69cw
Credential leak in org.apache.directory.api:apache-ldap-api
In Apache LDAP API before 1.0.2, a bug in the way the SSL Filter was setup made it possible for another thread to use the connection before the TLS layer has been established, if the connection has already been used and put back in a pool of connections, leading to leaking any information contained in this request (including the credentials when sending a BIND request).
- Record
GHSA-cfw5-v7cw-69cw- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-200
- Updated
- 2026-11-02
OSV
In Apache Directory LDAP API before 1.0.2, a bug in the way the SSL Filter was setup made it possible for another thread to use the connection before the TLS layer has been established, if the connection has already been used and put back in a pool of connections, leading to leaking any information contained in this request (including the credentials when sending a BIND request).
- Record
CVE-2018-1337- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2018-1337
In Apache Directory LDAP API before 1.0.2, a bug in the way the SSL Filter was setup made it possible for another thread to use the connection before the TLS layer has been established, if the connection has already been used and put back in a pool of connections, leading to leaking any information contained in this request (including the credentials when sending a BIND request).
- Record
DEBIAN-CVE-2018-1337- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVGHSA-cfw5-v7cw-69cw
Credential leak in org.apache.directory.api:apache-ldap-api
In Apache LDAP API before 1.0.2, a bug in the way the SSL Filter was setup made it possible for another thread to use the connection before the TLS layer has been established, if the connection has already been used and put back in a pool of connections, leading to leaking any information contained in this request (including the credentials when sending a BIND request).
- Record
GHSA-cfw5-v7cw-69cw- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-200
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.apache.directory.api:apache-ldap-apiMaven |
before 1.0.2 | 1.0.2 |
apache-directory-apiDebian:12 |
before 2.1.2-1 | 2.1.2-1 |
apache-directory-apiDebian:13 |
before 2.1.2-1 | 2.1.2-1 |
apache-directory-apiDebian:14 |
before 2.1.2-1 | 2.1.2-1 |
org.apache.directory.api:apache-ldap-apiMaven |
before 1.0.2, plus listed versions 1.0.01.0.0-M141.0.0-M151.0.0-M161.0.0-M17 Show 19 moreShow less1.0.0-M181.0.0-M191.0.0-M201.0.0-M211.0.0-M221.0.0-M231.0.0-M241.0.0-M251.0.0-M261.0.0-M271.0.0-M281.0.0-M291.0.0-M301.0.0-M311.0.0-M321.0.0-M331.0.0-RC11.0.0-RC21.0.1 |
1.0.2 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-1337 is a critical vulnerability (CVSS 9.8) in Apache Directory Ldap Api, published July 10, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 5.15%, the 92nd percentile. Fixed in org.apache.directory.api:apache-ldap-api 1.0.2.
References
securityfocus.com/bid/104744
lists.apache.org/thread.html/d66081195e9a02ee7cc20fb243b60467d1419586eed28297d820768f%40%3Cdev.directory.apache.org%3E
Show 12 moreShow less
nvd.nist.gov/vuln/detail/CVE-2018-1337
github.com/advisories/GHSA-cfw5-v7cw-69cw
security-tracker.debian.org/tracker/CVE-2018-1337