9.3

CVE-2021-42524: adobe animate Out-of-bounds Write

CVSS: 9.3v2.0HighModified
Published 18-11-2021Last modified 23-04-2025

Vulnerability summary

CVE-2021-42524 is a high (CVSS 9.3) Out-of-bounds Write vulnerability in adobe animate. EPSS estimates a 2.67% chance of exploitation in the next 30 days, higher than 85.5% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.3/10
010
High · v2.0 (NVD)
EPSS score
2.67%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 18-11-2021
    PublishedVulnerability first disclosed.
  2. 23-04-2025
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

2.67%

Chance of exploitation in the next 30 days

Percentile

86%

Versus all other CVEs

30-day change

0.00 pp

From 2.67% on 19-09-2026

19-09-202619-10-2026
EPSS score
2.67%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Adobe1 product
  • animate≥ unspecified, ≤ 21.0.9 | ≥ unspecified, ≤ None | ≤ 21.0.9

1 vendor · 1 product

References

1 links