Vulnerability · Published Oct 15, 2021 · Assigned by adobe

CVE-2021-40729Adobe Acrobat Reader DC PDF Out-of-Bound Read Vulnerability Information Disclosure

Low 3.3

In plain English

A low-severity out-of-bounds read 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 4.3% (higher than 91% of all known vulnerabilities).

Severity (CVSS 3.1)3.3Low

Exploit odds (30 days)4.3%top 8.9% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Adobe Acrobat Reader DC version 21.007.20095 (and earlier), 21.007.20096 (and earlier), 20.004.30015 (and earlier), and 17.011.30202 (and earlier) is affected by a out-of-bounds read vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to bypass mitigations such as ASLR. Exploitation of this issue requires user interaction in that a victim must open a malicious PDF file.

Affected products (as reported)

Vendor	Product	Versions
Adobe	Acrobat Reader	unspecified – through 21.007.20095unspecified – through 21.007.20096unspecified – through 20.004.30015unspecified – through 17.011.30202

Weakness: CWE-125 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

References

https://helpx.adobe.com/security/products/acrobat/apsb21-104.html x_refsource_MISC