⚠ Actively exploited
Added to CISA KEV on 2021-11-03. Federal agencies required to patch by 2022-05-03. Required action: Apply updates per vendor instructions..

CVE-2021-22894 — Code Injection in Pulse Connect Secure

CWE-94 — Code InjectionCWE-119 — Improper Restriction of Operations within the Bounds of a Memory BufferCWE-120 — Classic Buffer Overflow6 documents6 sources
Severity
8.8HIGHNVD
EPSS
24.8%
top 3.84%
CISA KEV
KEV
Added 2021-11-03
Due 2022-05-03
Exploit
Exploited in wild
Active exploitation observed
Affected products
2
Pulsesecure Pulse Connect SecureIvanti Connect Secure
Timeline
PublishedMay 27
KEV addedNov 3
KEV dueMay 3
Latest updateMay 24
CISA Required Action: Apply updates per vendor instructions.

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages2 packages

▶CVEListV5pulsesecure/pulse_connect_secureFixed version 9.1R11.4
▶NVDivanti/connect_secure9.0, 9.1+1

🔴Vulnerability Details

3
GHSA
GHSA-2f6h-jr2m-2vpj: A buffer overflow vulnerability exists in Pulse Connect Secure before 9↗2022-05-24
▶
CVEList
CVE-2021-22894: A buffer overflow vulnerability exists in Pulse Connect Secure before 9↗2021-05-27
▶
VulnCheck
Ivanti Pulse Connect Secure Collaboration Suite Buffer Overflow Vulnerability↗2021
▶

📋Vendor Advisories

2
CISA
Ivanti Pulse Connect Secure Collaboration Suite Buffer Overflow Vulnerability↗2021-11-03
▶
Ivanti
Pulse Connect Secure Buffer Overflow↗2021-11-03
▶
CVE-2021-22894 — Code Injection in Pulse Connect Secure | cvebase