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CISA KEV(1635d overdue)EPSS 47.2%top 1.2%Ransomware

CVE-2021-22893: Ivanti Pulse Connect Secure Use-After-Free Vulnerability

0
High
Vulnerability
Published: 11/03/2021 (11/03/2021, 00:00:00 UTC)
Last modified: 10/24/2026
Source: CISA KEV
Vendor/Project: Ivanti
Product: Pulse Connect Secure

Description

CVE-2021-22893 is a use-after-free vulnerability in Ivanti Pulse Connect Secure that allows remote, unauthenticated attackers to execute code via license services. This vulnerability has been exploited in the wild and is known to have been used in ransomware campaigns. The affected product is Ivanti Pulse Connect Secure. No specific affected versions or patch information is provided in the input data.

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 10/24/2026, 08:56:45 UTC

Technical Analysis

Ivanti Pulse Connect Secure contains a use-after-free vulnerability (CVE-2021-22893) that enables remote, unauthenticated attackers to execute arbitrary code through the license services component. This vulnerability has been observed to be exploited in the wild and has been linked to ransomware campaigns. The input data does not specify affected versions or patch availability.

Potential Impact

Successful exploitation allows remote, unauthenticated attackers to execute arbitrary code on vulnerable Ivanti Pulse Connect Secure systems. This can lead to full system compromise and has been leveraged in ransomware attacks, indicating significant operational and security impact.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Due to the critical nature and active exploitation, organizations should monitor Ivanti's official advisories for updates and apply patches or mitigations as soon as they become available.

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Threat ID: 6adc6f613fe894698b2dda38

Added to database: 10/24/2026, 08:42:09 UTC

Last enriched: 10/24/2026, 08:56:45 UTC

Last updated: 10/24/2026, 09:30:24 UTC

Views: 3

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