CVE Watch—

CVE-2021-22894

Ivanti Pulse Connect Secure Collaboration Suite Buffer Overflow Vulnerability

CVSS

—

No CVSS

EPSS

41.3%

p99

KEV

YES

Nov 3, 2021

Exploit Today

0-100

Published: — · Last modified: —

EPSS · 30d

41.3%EPSS · 30 days41.3%

2026-09-162026-10-14

KEV catalog record

Product

Ivanti / Pulse Connect Secure

Vulnerability

Ivanti Pulse Connect Secure Collaboration Suite Buffer Overflow Vulnerability

Added to KEV

Nov 3, 2021

Remediate by

May 3, 2022

Known ransomware use

Summary description

Ivanti Pulse Connect Secure Collaboration Suite contains a buffer overflow vulnerabilities that allows a remote authenticated users to execute code as the root user via maliciously crafted meeting room.

Required action

Apply updates per vendor instructions.

Notes

Reference CISA's ED 21-03 (https://www.cisa.gov/news-events/directives/ed-21-03-mitigate-pulse-connect-secure-product-vulnerabilities) for further guidance and requirements. Note: The due date for addressing this vulnerability aligns with the requirements outlined in ED 21-03. https://nvd.nist.gov/vuln/detail/CVE-2021-22894

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