CVE-2021-21099: adobe indesign Out-of-bounds Write
Vulnerability summary
CVE-2021-21099 is a high (CVSS 9.3) Out-of-bounds Write vulnerability in adobe indesign. EPSS estimates a 5.75% chance of exploitation in the next 30 days, higher than 92.9% of scored vulnerabilities.
Timeline
- 28-06-2021PublishedVulnerability first disclosed.
- 23-04-2025Last modifiedVulnerability information updated.
Description
Adobe InDesign version 16.0 (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 remote 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- NVDNIST8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS trend
Probability
5.75%
Chance of exploitation in the next 30 days
Percentile
93%
Versus all other CVEs
30-day change
0.00 pp
From 5.75% 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
- indesign≥ unspecified, ≤ 16.0 | ≥ unspecified, ≤ None | ≤ 16.0
1 vendor · 1 product