What’s Vulnerable › Vulnerabilities

CVE-2021-35995: Adobe After Effects MP4 File Parsing Uninitialized Variable Information Disclosure Vulnerability

• Severity: medium (CVSS 4.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-09-02 · updated 2026-06-17
• Weakness: CWE-20

Description

Adobe After Effects version 18.2.1 (and earlier) is affected by an Improper input validation vulnerability when parsing a specially crafted file. An unauthenticated attacker could leverage this vulnerability to disclose arbitrary memory information in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Affected products

• Adobe After Effects: through 18.2.1

References

• https://helpx.adobe.com/security/products/after_effects/apsb21-54.html
• https://helpx.adobe.com/security/products/after_effects/apsb21-54.html

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