Exploitation Summary
CVE-2021-22900 is actively exploited and listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added November 3, 2021.
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.
References (2)
Core 2
Core References
Broken Link, Vendor Advisory x_refsource_misc
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44784/?kA23Z000000boUWSAY
US Government Resource
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-22900
Scores
CVSS v3
7.2
EPSS
0.0256
EPSS Percentile
85.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
active
Automatable
no
Technical Impact
total
Details
CISA KEV
2021-11-03
VulnCheck KEV
2021-08-20
InTheWild.io
2021-04-20
ENISA EUVD
EUVD-2021-10032
CWE
CWE-669
CWE-94
Status
published
Products (3)
ivanti/connect_secure
9.0 (17 CPE variants)
ivanti/connect_secure
9.1 (23 CPE variants)
pulsesecure/pulse_connect_secure
< 9.1
Published
May 27, 2021
KEV Added
Nov 03, 2021
Tracked Since
Feb 18, 2026