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

published 2021-08-24 5y ago modified 2026-06-17 4mo ago also EUVD-2021-15291

cvss: 7.8; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 4.0%; EPSS 4.0% chance of exploitation in 30 days, percentile 90%
public exploits: 0; none known

Adobe Animate version 21.0.6 (and earlier) is affected by an Out-of-bounds Write vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve 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 file.

Patch / fix

links 1

helpx.adobe.com/security/products/animate/apsb21-50.html advisory

Is CVE-2021-28622 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Exploit prediction

3.96% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.0	7.8	CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD	2.0	6.8	AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

Adobe Animate

Classification

Weakness

CWE-787 Out-of-bounds Write

References

helpx.adobe.com /security/products/animate/apsb21-50.html
patch, vendor-advisory

Sources

CVE List CVE-2021-28622
NVD CVE-2021-28622

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.