9.3

CVE-2021-40751: adobe after_effects

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

Vulnerability summary

CVE-2021-40751 is a high (CVSS 9.3) vulnerability in adobe after_effects. EPSS estimates a 2.19% chance of exploitation in the next 30 days, higher than 82.1% 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
2.19%
0%100%
Low · -0.08 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 After Effects version 18.4 (and earlier) is affected by a memory corruption vulnerability due to insecure handling of a malicious .m4a file, potentially resulting in arbitrary code execution in the context of the current user. User interaction is required in that the victim must open a specially crafted file to exploit this vulnerability.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

2.19%

Chance of exploitation in the next 30 days

Percentile

82%

Versus all other CVEs

30-day change

-0.08 pp

From 2.27% on 19-09-2026

19-09-202619-10-2026
EPSS score
2.19%

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
  • after_effects≥ unspecified, ≤ 18.4.1 | ≥ unspecified, ≤ None | ≤ 18.4.1

1 vendor · 1 product

References

1 links