Stack overflow vulnerability in Adobe Animate 20.5

published 2020-10-21 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-30528

cvss: 7.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 6.3%; EPSS 6.3% chance of exploitation in 30 days, percentile 93%
public exploits: 0; none known

Adobe Animate version 20.5 (and earlier) is affected by a stack overflow vulnerability, which could lead to arbitrary code execution in the context of the current user. Exploitation requires user interaction in that a victim must open a crafted .fla file in Animate.

Patch / fix

links 1

helpx.adobe.com/security/products/animate/apsb20-61.html advisory

Exploit prediction

6.27% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD	2.0	9.3	AV:N/AC:M/Au:N/C:C/I:C/A:C

Affected products

Adobe Animate

Classification

Weakness

CWE-121 Stack-based Buffer Overflow
CWE-787 Out-of-bounds Write

References

helpx.adobe.com /security/products/animate/apsb20-61.html
patch, vendor-advisory

Sources

CVE List CVE-2020-9748
NVD CVE-2020-9748

Fencer Vulns 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.

Summary