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
- Pikepdf_project Pikepdf
- Fedoraproject Fedora — versions 32, 33
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Patch, Third Party Advisory)
- cve@mitre.org (vendor-advisory)
- cve@mitre.org (vendor-advisory)
- cve@mitre.org (Third Party Advisory, Release Notes)
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.