VULNERABILITY INTELLIGENCE

CVE-2021-22567

CVSS score4.6 MEDIUM
EPSS probability0.62%
CISA KEVNot currently listed
Published2022-01-05
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L

Description

Bidirectional Unicode text can be interpreted and compiled differently than how it appears in editors which can be exploited to get nefarious code passed a code review by appearing benign. An attacker could embed a source that is invisible to a code reviewer that modifies the behavior of a program in unexpected ways.

Weakness classification

  • cve-coordination@google.com: CWE-284
  • nvd@nist.gov: NVD-CWE-Other

Primary references