5.5

CVE-2021-40778: adobe media_encoder NULL Pointer Dereference

CVSS: 5.5v3.1MediumModified
Published 16-03-2022Last modified 23-04-2025
Open JSON

Vulnerability summary

CVE-2021-40778 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in adobe media_encoder. EPSS estimates a 1.33% chance of exploitation in the next 30 days, higher than 70.6% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
1.33%
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. 16-03-2022
    PublishedVulnerability first disclosed.
  2. 23-04-2025
    Last modifiedVulnerability information updated.

Description

Adobe Media Encoder 15.4.1 (and earlier) is affected by a Null pointer dereference vulnerability when parsing a specially crafted file. An unauthenticated attacker could leverage this vulnerability to achieve an application denial-of-service in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.33%

Chance of exploitation in the next 30 days

Percentile

71%

Versus all other CVEs

30-day change

0.00 pp

From 1.33% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.33%

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
  • media_encoder≥ unspecified, ≤ 15.4.1 | ≥ unspecified, ≤ None | ≤ 15.4.1

1 vendor · 1 product

References

1 links