CVE-2021-22567

LOW
Published Jan 5, 20224y ago · Modified Jun 17, 20262w ago
3.5 CVSS 3.1
Low
Find Similar
Published Jan 5, 2022 4y ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
3.5
Exploitability
2.1
Impact
1.4
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction Required
Scope Unchanged
Confidentiality None
Integrity Low
Availability None

Threat Intelligence

No active exploitation signals — not in CISA KEV and no EPSS score yet.

Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-284

Affected Products 1

VendorProductVersionRange
dartdart_software_development_kit* <2.15.0

References 2

  • github.com https://github.com/dart-lang/sdk/blob/main/CHANGELOG.md
    Release NotesThird Party Advisory
  • github.com https://github.com/dart-lang/sdk/commit/52519ea8eb4780c468c4c2ed00e7c8046ccfed41
    PatchThird Party Advisory

Remediation

  • github.com https://github.com/dart-lang/sdk/commit/52519ea8eb4780c468c4c2ed00e7c8046ccfed41
    PatchThird Party Advisory