Vulnerability in Jenkins Urltrigger

CVE-2021-21659

Jenkins URLTrigger Plugin 0.48 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.

EPSS: 0.668 (99.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H.

Affected products

Jenkins Urltrigger
Jenkins Project Urltrigger Plugin — versions unspecified

References

jenkinsci-cert@googlegroups.com (x_refsource_CONFIRM, Vendor Advisory)
jenkinsci-cert@googlegroups.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2021-21659?: CVE-2021-21659 is a high-severity vulnerability in Jenkins Urltrigger. CVSS score: 8.1/10. Published 2021-05-25.
How severe is CVE-2021-21659?: High severity. CVSS v3 base score is 8.1 out of 10.