CVE-2021-22894

HIGH KEV

Pulse Connect Secure <9.1R11.4 - RCE

Title source: llm
STIX 2.1

Exploitation Summary

CVE-2021-22894 is actively exploited and listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added November 3, 2021.

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.

Scores

CVSS v3 8.8
EPSS 0.4202
EPSS Percentile 97.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/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-2021-10026
CWE
CWE-119 CWE-94
Status published
Products (2)
ivanti/connect_secure 9.0 (17 CPE variants)
ivanti/connect_secure 9.1 (23 CPE variants)
Published May 27, 2021
KEV Added Nov 03, 2021
Tracked Since Feb 18, 2026