What is CVE-2021-21701?

CVE-2021-21701 is a medium-severity vulnerability in Jenkins Performance, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 6.5/10. Published 2021-11-12.

How severe is CVE-2021-21701?

Medium severity. CVSS v3 base score is 6.5 out of 10.

XXE in Jenkins Performance

CVE-2021-21701

Jenkins Performance Plugin 3.20 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.

Vulnerability class: XXE (XML External Entity)

EPSS: 0.017 (74.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Jenkins Performance
Jenkins Project Performance Plugin — versions unspecified, next of 3.20

Weakness classification (CWE)

CWE-611 — Improper Restriction of XML External Entity Reference (XXE)

References

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

Frequently asked questions

What is CVE-2021-21701?: CVE-2021-21701 is a medium-severity vulnerability in Jenkins Performance, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 6.5/10. Published 2021-11-12.
How severe is CVE-2021-21701?: Medium severity. CVSS v3 base score is 6.5 out of 10.