CVE-2018-1000602
Jenkins SAML Plugin Session Fixation vulnerability
A session fixation vulnerability exists in Jenkins SAML Plugin 1.0.6 and earlier in SamlSecurityRealm.java that allows unauthorized attackers to impersonate another users if they can control the pre-authentication session.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
A session fixation vulnerability exists in Jenkins SAML Plugin 1.0.6 and earlier in SamlSecurityRealm.java that allows unauthorized attackers to impersonate another users if they can control the pre-authentication session.
- Record
CVE-2018-1000602- CVSS 3.0
- 5.9 Medium
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-384
- Updated
- 2026-11-02
CVE List No score
A session fixation vulnerability exists in Jenkins SAML Plugin 1.0.6 and earlier in SamlSecurityRealm.java that allows unauthorized attackers to impersonate another users if they can control the pre-authentication session.
- Record
CVE-2018-1000602- Updated
- 2026-11-02
EUVDEUVD-2022-2416 No score
A session fixation vulnerability exists in Jenkins SAML Plugin 1.0.6 and earlier in SamlSecurityRealm.java that allows unauthorized attackers to impersonate another users if they can control the pre-authentication session.
- Record
EUVD-2022-2416- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-4pjx-86pg-x4j5
Jenkins SAML Plugin Session Fixation vulnerability
A session fixation vulnerability exists in Jenkins SAML Plugin 1.0.6 and earlier in SamlSecurityRealm.java that allows unauthorized attackers to impersonate another users if they can control the pre-authentication session. SAML Plugin 1.0.7 invalidates the previous session during login and creates a new one.
- Record
GHSA-4pjx-86pg-x4j5- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N - Weakness
- CWE-384
- Updated
- 2026-11-02
OSV
A session fixation vulnerability exists in Jenkins SAML Plugin 1.0.6 and earlier in SamlSecurityRealm.java that allows unauthorized attackers to impersonate another users if they can control the pre-authentication session.
- Record
CVE-2018-1000602- CVSS 3.0
- 5.9 Medium
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N - Updated
- 2026-11-02
OSVGHSA-4pjx-86pg-x4j5
Jenkins SAML Plugin Session Fixation vulnerability
A session fixation vulnerability exists in Jenkins SAML Plugin 1.0.6 and earlier in SamlSecurityRealm.java that allows unauthorized attackers to impersonate another users if they can control the pre-authentication session. SAML Plugin 1.0.7 invalidates the previous session during login and creates a new one.
- Record
GHSA-4pjx-86pg-x4j5- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N - Weakness
- CWE-384
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.jenkins-ci.plugins:samlMaven |
through 1.0.6 | 1.0.7 |
org.jenkins-ci.plugins:samlMaven |
before 1.0.7, plus listed versions 0.120.130.140.20.3 Show 9 moreShow less0.40.50.61.0.11.0.21.0.31.0.41.0.51.0.6 |
1.0.7 |
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-2018-1000602 is a medium vulnerability (CVSS 5.9) in Jenkins Saml, published June 26, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.85%, the 58th percentile. Fixed in org.jenkins-ci.plugins:saml 1.0.7.