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CVE-2021-22894

Known Exploited (CISA KEV)HIGH
8.8
CVSS Severity Score
EPSS Score66.3140%
EPSS Percentile92.42th
PublishedMay 27, 2021
Last ModifiedDec 18, 2025

Vulnerability 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.

Affected Platforms (CPE)

📦
Ivanti

Connect Secure

= 9.0
📦
Ivanti

Connect Secure

= 9.0
📦
Ivanti

Connect Secure

= 9.0
📦
Ivanti

Connect Secure

= 9.0
📦
Ivanti

Connect Secure

= 9.0
📦
Ivanti

Connect Secure

= 9.0
📦
Ivanti

Connect Secure

= 9.0
📦
Ivanti

Connect Secure

= 9.0
📦
Ivanti

Connect Secure

= 9.0
📦
Ivanti

Connect Secure

= 9.0
📦
Ivanti

Connect Secure

= 9.0
📦
Ivanti

Connect Secure

= 9.0
📦
Ivanti

Connect Secure

= 9.0
📦
Ivanti

Connect Secure

= 9.0
📦
Ivanti

Connect Secure

= 9.0
📦
Ivanti

Connect Secure

= 9.0
📦
Ivanti

Connect Secure

= 9.0
📦
Ivanti

Connect Secure

= 9.1
📦
Ivanti

Connect Secure

= 9.1
📦
Ivanti

Connect Secure

= 9.1
📦
Ivanti

Connect Secure

= 9.1
📦
Ivanti

Connect Secure

= 9.1
📦
Ivanti

Connect Secure

= 9.1
📦
Ivanti

Connect Secure

= 9.1
📦
Ivanti

Connect Secure

= 9.1
📦
Ivanti

Connect Secure

= 9.1
📦
Ivanti

Connect Secure

= 9.1
📦
Ivanti

Connect Secure

= 9.1
📦
Ivanti

Connect Secure

= 9.1
📦
Ivanti

Connect Secure

= 9.1
📦
Ivanti

Connect Secure

= 9.1
📦
Ivanti

Connect Secure

= 9.1
📦
Ivanti

Connect Secure

= 9.1
📦
Ivanti

Connect Secure

= 9.1
📦
Ivanti

Connect Secure

= 9.1
📦
Ivanti

Connect Secure

= 9.1
📦
Ivanti

Connect Secure

= 9.1
📦
Ivanti

Connect Secure

= 9.1
📦
Ivanti

Connect Secure

= 9.1
📦
Ivanti

Connect Secure

= 9.1

References & Advisories

🔗 https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44784/?kA23Z000000boUWSAY
🔗 https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44784/?kA23Z000000boUWSAY
🔗 https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-22894

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