Vulnerability · Published Jan 14, 2022 · Assigned by adobe

CVE-2021-44704Adobe Acrobat Reader Use-After-Free could lead to Arbitrary code execution

High 7.8

In plain English

A high-severity use-after-free in Acrobat Reader from Adobe. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 10.8% (higher than 96% of all known vulnerabilities).

Severity (CVSS 3.1)7.8High

Exploit odds (30 days)10.8%top 4.1% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

Acrobat Reader DC version 21.007.20099 (and earlier), 20.004.30017 (and earlier) and 17.011.30204 (and earlier) are affected by a use-after-free vulnerability in the processing of Format event actions that could result in 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.

Affected products (as reported)

Vendor	Product	Versions
Adobe	Acrobat Reader	unspecified – through 21.007.20099unspecified – through 20.004.30017unspecified – through 17.011.30204unspecified – through None

Weakness: CWE-416 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

https://helpx.adobe.com/security/products/acrobat/apsb22-01.html x_refsource_MISC