CVE-2021-21052: adobe animate Out-of-bounds Write
CVSS: 9.3v2.0HighModified
Published 11-02-2021Last modified 23-04-2025
Vulnerability summary
CVE-2021-21052 is a high (CVSS 9.3) Out-of-bounds Write vulnerability in adobe animate. EPSS estimates a 3.81% chance of exploitation in the next 30 days, higher than 89.8% of scored vulnerabilities.
CVSS score
9.3/10
010
High · v2.0 (NVD)EPSS score
3.81%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 11-02-2021PublishedVulnerability first disclosed.
- 23-04-2025Last modifiedVulnerability information updated.
Description
Adobe Animate version 21.0.2 (and earlier) is affected by an Out-of-bounds Write vulnerability. 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 versionsHigh 7.8Preferred score · CVE.org (CNA)
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSourcesAll 2 agree
- NVDNIST7.8HighCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
High 9.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:C/I:C/A:CSourcesSingle source
EPSS trend
Probability
3.81%
Chance of exploitation in the next 30 days
Percentile
90%
Versus all other CVEs
30-day change
0.00 pp
From 3.81% on 18-09-2026
18-09-202618-10-2026
EPSS score3.81%
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
- animate≥ unspecified, ≤ 21.0.2 | ≥ unspecified, ≤ None | ≤ 21.0.2
1 vendor · 1 product