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CVE-2022-36885

Jenkins GitHub plugin uses weak webhook signature function

5.3 MediumFix available

Jenkins GitHub Plugin 1.34.4 and earlier uses a non-constant time comparison function when checking whether the provided and computed webhook signatures are equal, allowing attackers to use statistical methods to obtain a valid webhook signature.

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
Low
Integrity
None
Availability
None

Exploit likelihood

0.92%Unchanged since Jul 28, 2022
90%50%10%1%

What each source reports

NVD Score used 5.3

Jenkins GitHub Plugin 1.34.4 and earlier uses a non-constant time comparison function when checking whether the provided and computed webhook signatures are equal, allowing attackers to use statistical methods to obtain a valid webhook signature.

Record
CVE-2022-36885
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-203
Updated
2026-11-02
CVE List No score

Jenkins GitHub Plugin 1.34.4 and earlier uses a non-constant time comparison function when checking whether the provided and computed webhook signatures are equal, allowing attackers to use statistical methods to obtain a valid webhook signature.

Record
CVE-2022-36885
Updated
2026-11-02
EUVDEUVD-2022-6379 No score

Jenkins GitHub Plugin 1.34.4 and earlier uses a non-constant time comparison function when checking whether the provided and computed webhook signatures are equal, allowing attackers to use statistical methods to obtain a valid webhook signature.

Record
EUVD-2022-6379
Updated
2026-11-03
GitHub AdvisoriesGHSA-mxcc-7h5m-x57r 3.1

Jenkins GitHub plugin uses weak webhook signature function

Jenkins GitHub Plugin 1.34.4 and earlier uses a non-constant time comparison function when checking whether the provided and computed webhook signatures are equal, allowing attackers to use statistical methods to obtain a valid webhook signature. GitHub Plugin 1.34.5 uses a constant-time comparison when validating the webhook signature.

Record
GHSA-mxcc-7h5m-x57r
CVSS 3.1
3.1 LowCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-203, CWE-208
Updated
2026-11-02
OSV 5.3

Jenkins GitHub Plugin 1.34.4 and earlier uses a non-constant time comparison function when checking whether the provided and computed webhook signatures are equal, allowing attackers to use statistical methods to obtain a valid webhook signature.

Record
CVE-2022-36885
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Updated
2026-11-02
OSVGHSA-mxcc-7h5m-x57r 3.1

Jenkins GitHub plugin uses weak webhook signature function

Jenkins GitHub Plugin 1.34.4 and earlier uses a non-constant time comparison function when checking whether the provided and computed webhook signatures are equal, allowing attackers to use statistical methods to obtain a valid webhook signature. GitHub Plugin 1.34.5 uses a constant-time comparison when validating the webhook signature.

Record
GHSA-mxcc-7h5m-x57r
CVSS 3.1
3.1 LowCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-203, CWE-208
Updated
2026-11-02
OSVRHSA-2023:0017 8.8

Red Hat Security Advisory: OpenShift Container Platform 4.8.56 packages and security update

Record
RHSA-2023:0017
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVRHSA-2023:0560 9.9

Red Hat Security Advisory: OpenShift Container Platform 4.10.51 security update

Record
RHSA-2023:0560
CVSS 3.1
9.9 CriticalCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Updated
2026-11-02
OSVRHSA-2023:0777 9.9

Red Hat Security Advisory: OpenShift Container Platform 4.9.56 security update

Record
RHSA-2023:0777
CVSS 3.1
9.9 CriticalCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
com.coravy.hudson.plugins.github:github
Maven
 through 1.34.4
1.34.5
com.coravy.hudson.plugins.github:github
Maven
 before 1.34.5, plus listed versions
0.10.20.30.40.5
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0.60.70.80.91.01.11.101.111.11.11.11.21.11.31.12.01.12.0-alpha-11.12.11.13.01.13.0-alpha-11.13.0-alpha-21.13.11.13.21.13.31.14.01.14.0-alpha-11.14.0-alpha-21.14.11.14.21.15.01.16.01.17.01.17.11.18.01.18.11.18.21.19.01.19.11.19.21.19.31.21.20.01.21.01.21.11.22.01.22.11.22.21.22.31.22.4
1.34.5
jenkins
Red Hat:openshift:4.8::el8
From an advisory covering 16 CVEs
 before 0:2.361.1.1672840472-1.el8
0:2.361.1.1672840472-1.el8
jenkins-2-plugins
Red Hat:openshift:4.8::el8
From an advisory covering 16 CVEs
 before 0:4.8.1672842762-1.el8
0:4.8.1672842762-1.el8
jenkins-2-plugins
Red Hat:openshift:4.10::el8
From an advisory covering 23 CVEs
 before 0:4.10.1675144701-1.el8
0:4.10.1675144701-1.el8
jenkins-2-plugins
Red Hat:openshift:4.9::el8
From an advisory covering 26 CVEs
 before 0:4.9.1675668922-1.el8
0:4.9.1675668922-1.el8
jenkins
Red Hat:openshift:4.9::el8
From an advisory covering 26 CVEs
 before 0:2.361.1.1675668150-1.el8
0:2.361.1.1675668150-1.el8

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

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

In short

CVE-2022-36885 is a medium vulnerability (CVSS 5.3) in Jenkins Github, published July 27, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.92%, the 60th percentile. Fixed in com.coravy.hudson.plugins.github:github 1.34.5.

References

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Left out here: 37 versions. The JSON record has them.

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