What’s Vulnerable › Vulnerabilities

CVE-2021-21642

• Severity: high (CVSS 8.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 37.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-04-21 · updated 2026-06-17
• Weakness: CWE-611

Description

Jenkins Config File Provider Plugin 3.7.0 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.

Affected products

• Jenkins project Jenkins Config File Provider Plugin: through 3.7.0

References

• http://www.openwall.com/lists/oss-security/2021/04/21/2
• https://www.jenkins.io/security/advisory/2021-04-21/#SECURITY-2204
• http://www.openwall.com/lists/oss-security/2021/04/21/2
• https://www.jenkins.io/security/advisory/2021-04-21/#SECURITY-2204

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