HIGH CISA KEV

CVE-2023-21608

CVSS v3

7.8

HIGH

EPSS Score

84.1%

exploit probability

CISA KEV

Yes

known exploited

Exploitation

SSVC status

Description

Adobe Acrobat Reader versions 22.003.20282 (and earlier), 22.003.20281 (and earlier) and 20.005.30418 (and earlier) are affected by a Use After Free vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

CISA Known Exploited Vulnerability

Date Added
10/10/2023
Patch Due Date
10/31/2023
Ransomware Use
Unknown

Technical details

Published
1/18/2023

Frequently asked questions

What is CVE-2023-21608?

Adobe Acrobat Reader versions 22.003.20282 (and earlier), 22.003.20281 (and earlier) and 20.005.30418 (and earlier) are affected by a Use After Free vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Is CVE-2023-21608 actively exploited?

Yes. CVE-2023-21608 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 10/31/2023.

What is the CVSS score for CVE-2023-21608?

CVE-2023-21608 has a CVSS v3 base score of 7.8 (HIGH severity).

Is CVE-2023-21608 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.