CRITICAL CISA KEV

CVE-2021-22893

CVSS v3

10

CRITICAL

EPSS Score

93.6%

exploit probability

CISA KEV

Yes

known exploited

Exploitation

SSVC status

Description

Pulse Connect Secure 9.0R3/9.1R1 and higher is vulnerable to an authentication bypass vulnerability exposed by the Windows File Share Browser and Pulse Secure Collaboration features of Pulse Connect Secure that can allow an unauthenticated user to perform remote arbitrary code execution on the Pulse Connect Secure gateway. This vulnerability has been exploited in the wild.

CISA Known Exploited Vulnerability

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

Technical details

Published
4/23/2021

Frequently asked questions

What is CVE-2021-22893?

Pulse Connect Secure 9.0R3/9.1R1 and higher is vulnerable to an authentication bypass vulnerability exposed by the Windows File Share Browser and Pulse Secure Collaboration features of Pulse Connect Secure that can allow an unauthenticated user to perform remote arbitrary code execution on the Pulse Connect Secure gateway. This vulnerability has been exploited in the wild.

Is CVE-2021-22893 actively exploited?

Yes. CVE-2021-22893 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-2021-22893?

CVE-2021-22893 has a CVSS v3 base score of 10 (CRITICAL severity).

Is CVE-2021-22893 affecting your environment?

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