Vulnerability in Jenkins OpenId Connect Authentication Plugi… (CVE-2024-47806)

Summary

Vulnerability in Jenkins OpenId Connect Authentication Plugin (CVE-2024-47806). Successful exploitation can lead to full system takeover. Exploitable via aud.

Original description

The description as published by the source.

Jenkins OpenId Connect Authentication Plugin 4.354.v321ce67a_1de8 and earlier does not check the aud (Audience) claim of an ID Token, allowing attackers to subvert the authentication flow, potentially gaining administrator access to Jenkins.

Source: OSV.dev (Open Source Vulnerabilities) NVD GitHub Advisory OSV

Auto-generated summary

Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.

A vulnerability tracked as CVE-2024-47806 has been found in Jenkins OpenId Connect Authentication Plugin.
Attackers can target a specific entry point like aud over the network to misuse the product.
Successful exploitation can lead to full system takeover.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "Jenkins OpenId Connect Authentication Plugin CVE-2024-47806" on the vendor's site.

CVE-2024-47806 (Jenkins OpenId Connect Authentication Plugin)
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
Attack surface: aud
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.

❓ What is the problem

A vulnerability (unclassified) exists in Jenkins OpenId Connect Authentication Plugin. Attackers reach the vulnerable code path via aud without authentication.

📍 Affected scope

Check the vendor advisory for the affected versions of Jenkins OpenId Connect Authentication Plugin. Attack surface: aud.

🔥 Severity

Severity: ?. Successful exploitation can lead to full system takeover.

🔧 How to fix

Update to the patched release per vendor advisory.

🛡️ Workaround

Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.

🔍 Detection

Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Audit SBOM/dependencies to find affected services.

Response actions

Concrete steps and command examples for SOC/SRE teams to execute in order

1
Identify exposure identify
```
Audit SBOM/dependencies for affected components.
```
資産台帳・SBOM・依存マニフェストで Jenkins OpenId Connect Authentication Plugin を使っているサービスとバージョンを洗い出す。
2
Post-deployment verification verify
```
Confirm patched version is live in production
```
パッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。

References

advisory jenkins.io