CVE-2022-36885

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.

Published: 2022-07-27 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2022-36885 is rated Low Risk (38/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.25%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2022-36885

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-18 0.27% 0.25% -0.02%
2 2026-01-03 0.24% 0.27% +0.03%
3 2025-12-15 0.24%

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2022-36885

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.3 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
3.9 1.4 [email protected]

Weakness enumeration for CVE-2022-36885

GitHub Security Advisory for CVE-2022-36885

GHSA-mxcc-7h5m-x57r · Severity: low · Ecosystem: maven — Jenkins GitHub plugin uses weak webhook signature function

OS Trackers for CVE-2022-36885

vendor priority summary link
redhat medium https://access.redhat.com/security/cve/CVE-2022-36885

Affected software / configurations for CVE-2022-36885

Vendor Product Version Raw CPE
jenkins github <= 1.34.4 cpe:2.3:a:jenkins:github:*:*:*:*:*:jenkins:*:*

References for CVE-2022-36885

cvelogic Threat Intelligence