VULNERABILITY INTELLIGENCE

CVE-2020-29511

CVSS score9.8 CRITICAL
EPSS probability1.97%
CISA KEVNot currently listed
Published2020-12-14
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

The encoding/xml package in Go (all versions) does not correctly preserve the semantics of element namespace prefixes during tokenization round-trips, which allows an attacker to craft inputs that behave in conflicting ways during different stages of processing in affected downstream applications.

Weakness classification

  • responsibledisclosure@mattermost.com: CWE-115
  • nvd@nist.gov: NVD-CWE-Other

Primary references