CVE-2018-1000173
Jenkins Google Login Plugin Session Fixation vulnerability
A session fixaction vulnerability exists in Jenkins Google Login Plugin 1.3 and older in GoogleOAuth2SecurityRealm.java that allows unauthorized attackers to impersonate another user 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
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
5.9
A session fixaction vulnerability exists in Jenkins Google Login Plugin 1.3 and older in GoogleOAuth2SecurityRealm.java that allows unauthorized attackers to impersonate another user if they can control the pre-authentication session.
- Record
CVE-2018-1000173- CVSS 3.0
- 5.9 Medium
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:P/I:N/A:N - Weakness
- CWE-384
- Updated
- 2026-11-02
CVE List No score
A session fixaction vulnerability exists in Jenkins Google Login Plugin 1.3 and older in GoogleOAuth2SecurityRealm.java that allows unauthorized attackers to impersonate another user if they can control the pre-authentication session.
- Record
CVE-2018-1000173- Updated
- 2026-11-02
EUVDEUVD-2022-5207 No score
A session fixaction vulnerability exists in Jenkins Google Login Plugin 1.3 and older in GoogleOAuth2SecurityRealm.java that allows unauthorized attackers to impersonate another user if they can control the pre-authentication session.
- Record
EUVD-2022-5207- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-rp82-xvg3-727c
5.9
Jenkins Google Login Plugin Session Fixation vulnerability
A session fixaction vulnerability exists in Jenkins Google Login Plugin 1.3 and older in GoogleOAuth2SecurityRealm.java that allows unauthorized attackers to impersonate another user if they can control the pre-authentication session. Google Login Plugin 1.3.1 invalidates the previous session during login, and creates a new one.
- Record
GHSA-rp82-xvg3-727c- CVSS 3.0
- 5.9 Medium
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-384
- Updated
- 2026-11-02
OSV
5.9
A session fixaction vulnerability exists in Jenkins Google Login Plugin 1.3 and older in GoogleOAuth2SecurityRealm.java that allows unauthorized attackers to impersonate another user if they can control the pre-authentication session.
- Record
CVE-2018-1000173- CVSS 3.0
- 5.9 Medium
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
OSVGHSA-rp82-xvg3-727c
5.9
Jenkins Google Login Plugin Session Fixation vulnerability
A session fixaction vulnerability exists in Jenkins Google Login Plugin 1.3 and older in GoogleOAuth2SecurityRealm.java that allows unauthorized attackers to impersonate another user if they can control the pre-authentication session. Google Login Plugin 1.3.1 invalidates the previous session during login, and creates a new one.
- Record
GHSA-rp82-xvg3-727c- CVSS 3.0
- 5.9 Medium
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/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:google-loginMaven |
through 1.3 | 1.3.1 |
org.jenkins-ci.plugins:google-loginMaven |
before 1.3.1, plus listed versions 1.01.11.21.2.11.3 |
1.3.1 |
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-2018-1000173 is a medium vulnerability (CVSS 5.9) in Jenkins Google Login, published May 8, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.50%, the 74th percentile. Fixed in org.jenkins-ci.plugins:google-login 1.3.1.