Snapshot of public data from 31 Oct 2026, 12:50:06. This data is not updated until the API is deployed.

CVE-2021-22893

Ivanti Pulse Connect Secure Use-After-Free Vulnerability

UrgentCVSS 10.0 v3.1Exploited

Why this priority

Generic watch priority computed by public, versioned rules. It does not know your assets. See the glossary

Présent dans le catalogue CISA KEV (exploitation confirmée)

Description

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

Affected products

Vendor	Product	Versions
Ivanti	Pulse Connect Secure	All versions
n/a	Pulse Connect Secure	PCS 9.0R3 or above, PCS 9.1R1 and above

Revision history

Revision 3 31 Oct 2026, 12:49:28
Revision 2 31 Oct 2026, 12:27:42
Update : Affected versions changed
Revision 1 31 Oct 2026, 12:27:20
New record

Qualification

CVSS severity ? Technical severity score between 0 and 10, with its version (3.1, 4.0). See the glossary: 10.0 CRITICAL CVSS v3.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
KEV catalog ? CISA catalog of vulnerabilities with confirmed exploitation. Absence from the catalog does not prove absence of exploitation. See the glossary: Listed
Exploitation: Confirmed
EPSS probability ? Probability, between 0 and 1, that a vulnerability is exploited in the next 30 days, published daily by FIRST. Always dated. See the glossary: Unknown
Confidence ? Quality of the sources behind the record. It is not a risk score. See the glossary: High

Priority rules, version 1

CISA KEV catalog

Added on: 3 November 2021
Federal due date: 3 May 2022
Required action: Apply updates per vendor instructions.
Ransomware use: Known

Record

Published on: 23 April 2021
Weaknesses (CWE): CWE-287

Sources

Source : CISA Known Exploited Vulnerabilities Catalog Terms of use
Source : CVE Program, cve.org Terms of use