Read the docs
TI-2021-18708 Aliases CVE-2021-42271GHSA-cx49-mv5g-vq92

Adobe Animate BMP File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

Priority MEDIUM 41CWE-787Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.0 · CNA. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

Adobe Animate version 21.0.9 (and earlier) are affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious BMP file.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.02665 85th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
AdobeAnimateup to 21.0.9; up to None—No fix listedCNA
  • Animate VendorAdobe Affected up to 21.0.9; up to None Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:adobe:animate:*:*:*:*:*:*:*:*up to 21.0.9VulnerableAdobe
  • cpe:2.3:a:adobe:animate:*:*:*:*:*:*:*:* Versions up to 21.0.9 Vulnerable ·Adobe

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-42271
  2. 2026-10-03 Alias added: GHSA-cx49-mv5g-vq92

References

Advisory 1

  • TI-2016-06610 Memory corruption in Adobe Animate 15.2.1.95 and earlier CVSS 3.0CRITICAL 9.8
  • TI-2021-09690 Adobe Animate heap corruption vulnerability could lead to arbitrary code execution CVSS 3.0HIGH 7.8
  • TI-2021-04183 Adobe Animate heap-based overflow vulnerability CVSS 3.0HIGH 7.8
  • TI-2021-09699 Adobe Animate heap corruption vulnerability could lead to arbitrary code execution CVSS 3.0HIGH 7.8
  • TI-2021-04177 Adobe Animate memory corruption vulnerability CVSS 3.0HIGH 7.8
  • TI-2021-18706 Adobe Animate FLA File Parsing Use After Free Remote Code Execution CVSS 3.1HIGH 7.8
See all 108 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences