SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-39859

Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by a Use After Free vulnerability that could lead to disclosure of sensitive memory.

MEDIUM 5.5EPSS 0.44%

Does this matter?

Lower severity and a low EPSS score (0.44%). 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 Use After Free 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 file.

CVSS 3.1
5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
EPSS
0.44% probability · 37th percentile
CISA KEV
Not listed
Weakness
CWE-416
Affected
adobe/acrobat dc · adobe/acrobat reader dc · adobe/acrobat · adobe/acrobat reader
Source
psirt@adobe.com

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