PT-2021-5238 · Pulse Secure · Pulse Connect Secure

Published 2021-05-03 · Updated 2025-02-04 · CVE-2021-22894

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

AV:N/AC:L/Au:S/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Pulse Connect Secure versions prior to 9.1R11.4

Description A buffer overflow issue exists, allowing a remote authenticated attacker to execute arbitrary code as the root user via maliciously crafted meeting room data. This can be exploited by a remote attacker, potentially leading to code execution.

Recommendations For versions prior to 9.1R11.4, update to version 9.1R11.4 or later to resolve the issue. As a temporary workaround, consider restricting access to the meeting room feature until a patch is applied.

Fix

RCE

Buffer Overflow

Code Injection

Weakness Enumeration

CWE-120

CWE-119

CWE-94

Related Identifiers

BDU:2021-06041

CVE-2021-22894

Affected Products

Pulse Connect Secure

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2021-22894 · Security Note
• https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44784/?kA23Z000000boUWSAY · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-06041 · Security Note
• https://osv.dev/vulnerability/CVE-2021-22894 · Vendor Advisory
• https://cisa.gov/sites/default/files/csv/known_exploited_vulnerabilities.csv · Note
• https://cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-22894 · Note
• https://t.me/cvenotify/109884 · Telegram Post