XXE in Python

CVE-2022-48565

An XML External Entity (XXE) issue was discovered in Python through 3.9.1. The plistlib module no longer accepts entity declarations in XML plist files to avoid XML vulnerabilities.

Vulnerability class: XXE (XML External Entity)

EPSS: 0.044 (90.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-48565?
CVE-2022-48565 is a critical-severity vulnerability in Python, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 9.8/10. Published 2023-08-22.
How severe is CVE-2022-48565?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2022-48565 known to be exploited?
5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.