HIGH CISA KEV

CVE-2021-22894

CVSS v3

8.8

HIGH

EPSS Score

25.7%

exploit probability

CISA KEV

Yes

known exploited

Exploitation

SSVC status

Description

A buffer overflow vulnerability exists in Pulse Connect Secure before 9.1R11.4 allows a remote authenticated attacker to execute arbitrary code as the root user via maliciously crafted meeting room.

CISA Known Exploited Vulnerability

Date Added
11/3/2021
Patch Due Date
5/3/2022
Ransomware Use
Unknown

Technical details

Published
5/27/2021

Frequently asked questions

What is CVE-2021-22894?

A buffer overflow vulnerability exists in Pulse Connect Secure before 9.1R11.4 allows a remote authenticated attacker to execute arbitrary code as the root user via maliciously crafted meeting room.

Is CVE-2021-22894 actively exploited?

Yes. CVE-2021-22894 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 5/3/2022.

What is the CVSS score for CVE-2021-22894?

CVE-2021-22894 has a CVSS v3 base score of 8.8 (HIGH severity).

Is CVE-2021-22894 affecting your environment?

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