SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-39846

Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by a stack overflow vulnerability due to insecure handling of a crafted PDF file, potentially resulting in memory…

MEDIUM 6.1EPSS 2.59%

Does this matter?

Lower severity and a low EPSS score (2.59%). Track it; it rarely justifies an emergency change on its own.

Description

Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by a stack overflow vulnerability due to insecure handling of a crafted PDF file, potentially resulting in memory corruption in the context of the current user. Exploitation requires user interaction in that a victim must open a crafted PDF file in Acrobat Reader.

CVSS 3.1
6.1 MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H
EPSS
2.59% probability · 84th percentile
CISA KEV
Not listed
Weakness
CWE-121, CWE-787
Affected
adobe/acrobat · adobe/acrobat reader · adobe/acrobat dc · adobe/acrobat reader dc
Source
psirt@adobe.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.