What’s Vulnerable › Vulnerabilities

CVE-2021-21669

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 25.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-06-18 · updated 2026-06-17

Description

Jenkins Generic Webhook Trigger Plugin 1.72 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.

Affected products

• Jenkins project Jenkins Generic Webhook Trigger Plugin: through 1.72

References

• http://www.openwall.com/lists/oss-security/2021/06/18/1
• https://www.jenkins.io/security/advisory/2021-06-18/#SECURITY-2330
• http://www.openwall.com/lists/oss-security/2021/06/18/1
• https://www.jenkins.io/security/advisory/2021-06-18/#SECURITY-2330

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