CVE Watch—

CVE-2021-22893

Ivanti Pulse Connect Secure Use-After-Free Vulnerability

CVSS

—

No CVSS

EPSS

47.2%

p99

KEV

YES

Nov 3, 2021

Exploit Today

0-100

Published: — · Last modified: —

EPSS · 30d

47.2%EPSS · 30 days47.2%

2026-06-302026-07-16

KEV catalog record

Product

Ivanti / Pulse Connect Secure

Vulnerability

Ivanti Pulse Connect Secure Use-After-Free Vulnerability

Added to KEV

Nov 3, 2021

Remediate by

May 3, 2022

Known ransomware use

Yes

Summary description

Ivanti Pulse Connect Secure contains a use-after-free vulnerability that allow a remote, unauthenticated attacker to execute code via license services.

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-2021-22893

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