CVE-2021-21053: adobe illustrator Out-of-bounds Write
Vulnerability summary
CVE-2021-21053 is a high (CVSS 9.3) Out-of-bounds Write vulnerability in adobe illustrator. EPSS estimates a 2.33% chance of exploitation in the next 30 days, higher than 83.2% of scored vulnerabilities.
Timeline
- 11-02-2021PublishedVulnerability first disclosed.
- 23-04-2025Last modifiedVulnerability information updated.
Description
Adobe Illustrator version 25.1 (and earlier) is affected by an Out-of-bounds Write vulnerability when parsing a 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
4 scores · 2 sources · 3 versions- NVDNIST7.8HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS trend
Probability
2.33%
Chance of exploitation in the next 30 days
Percentile
83%
Versus all other CVEs
30-day change
0.00 pp
From 2.33% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Adobe1 product
- illustrator≥ unspecified, ≤ 25.1 | ≥ unspecified, ≤ None | ≤ 25.1
1 vendor · 1 product