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Case File

CVE-2021-22894

HIGH · CVSS 8.8 EPSS 41.28% CISA KEV · Actively Exploited

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-05-27 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 8.8. It is listed in CISA's Known Exploited Vulnerabilities catalog, indicating confirmed active exploitation in the wild. Its EPSS score suggests a 41.3% probability of exploitation in the next 30 days. It may be remotely exploitable. Exploitation may require the attacker to be authenticated.

CISA KEV Details

Status: This CVE is listed in CISA's Known Exploited Vulnerabilities catalog.

Ransomware use: Unknown

Added to KEV: 2021-11-03

Required action: Apply updates per vendor instructions.

CVE
CVE-2021-22894
Severity
HIGH
CVSS
8.8
EPSS
41.28%

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)