XXE in Pikepdf Project

CVE-2021-29421

models/metadata.py in the pikepdf package 1.3.0 through 2.9.2 for Python allows XXE when parsing XMP metadata entries.

Vulnerability class: XXE (XML External Entity)

EPSS: 0.017 (75.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-29421?
CVE-2021-29421 is a high-severity vulnerability in Pikepdf Project, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 7.5/10. Published 2021-04-01.
How severe is CVE-2021-29421?
High severity. CVSS v3 base score is 7.5 out of 10.