HIGH CISA KEV

CVE-2021-22900

CVSS v3

7.2

HIGH

EPSS Score

0.8%

exploit probability

CISA KEV

Yes

known exploited

Exploitation

SSVC status

Description

A vulnerability allowed multiple unrestricted uploads in Pulse Connect Secure before 9.1R11.4 that could lead to an authenticated administrator to perform a file write via a maliciously crafted archive upload in the administrator web interface.

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-2021-22900?

A vulnerability allowed multiple unrestricted uploads in Pulse Connect Secure before 9.1R11.4 that could lead to an authenticated administrator to perform a file write via a maliciously crafted archive upload in the administrator web interface.

Is CVE-2021-22900 actively exploited?

Yes. CVE-2021-22900 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-2021-22900?

CVE-2021-22900 has a CVSS v3 base score of 7.2 (HIGH severity).

Is CVE-2021-22900 affecting your environment?

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