CVE-2021-39858: Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by an out-of-bounds read vulnerability that…

Description

Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by an out-of-bounds read vulnerability that could lead to disclosure of 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.

CVSS vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Attack vector

Local

Complexity

Low

Privileges

None

User interaction

Required

Confidentiality

Low

Integrity

None

Availability

None

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)2.5% · higher than 84% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

AC

Acrobat · Adobe

20.001.30005 through 20.004.30006 · source: NVD

A2

Acrobat 2017 · Adobe

17.011.30158 through 17.011.30199 · source: NVD

AD

Acrobat DC · Adobe

20.006.20034 through 21.005.20060; 20.006.20034 through 21.005.20058; 20.006.20034 through 21.005.20058 · source: NVD

AR

Acrobat Reader · Adobe

20.001.30005 through 20.004.30006 · source: NVD

AR

Acrobat Reader 2017 · Adobe

17.011.30158 through 17.011.30199 · source: NVD

AR

Acrobat Reader DC · Adobe

20.006.20034 through 21.005.20060 · source: NVD