9.3

CVE-2021-21048: adobe photoshop Out-of-bounds Write

CVSS: 9.3v2.0HighModified
Published 11-02-2021Last modified 23-04-2025
Open JSON

Vulnerability summary

CVE-2021-21048 is a high (CVSS 9.3) Out-of-bounds Write vulnerability in adobe photoshop. EPSS estimates a 2.98% chance of exploitation in the next 30 days, higher than 87% 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
2.98%
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. 11-02-2021
    PublishedVulnerability first disclosed.
  2. 23-04-2025
    Last modifiedVulnerability information updated.

Description

Adobe Photoshop versions 21.2.4 (and earlier) and 22.1.1 (and earlier) are affected by a Memory Corruption vulnerability when parsing a specially crafted file. 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

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

2.98%

Chance of exploitation in the next 30 days

Percentile

87%

Versus all other CVEs

30-day change

0.00 pp

From 2.98% on 18-09-2026

18-09-202618-10-2026
EPSS score
2.98%

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
  • photoshop≥ unspecified, ≤ 22.1.1 | ≥ unspecified, ≤ 21.2.4 | ≥ unspecified, ≤ None | ≤ 21.2.4 | ≥ 22.0, ≤ 22.1.1

1 vendor · 1 product

References

1 links