Command injection in Adobe Reader and Adobe Acrobat - CVE-2021-28634
Published: July 13, 2021
Vulnerability identifier: #VU54714
CSH Severity: Low
CVSS v4: 7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-28634
CWE-ID: CWE-78
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to improper input validation. A local user can execute arbitrary OS commands and escalate privileges on the system.
Affected software
Adobe Reader
Adobe Acrobat
Adobe Acrobat
How to mitigate CVE-2021-28634
Install updates from vendor's website.
Adobe Reader - addressed in versions 17.011.30199, 20.004.30006, 21.005.20058
Adobe Acrobat - addressed in versions 17.011.30199, 20.004.30006, 21.005.20058
Adobe Acrobat - addressed in versions 17.011.30199, 20.004.30006, 21.005.20058