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

Published Apr 23, 2021
·
Updated

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

Other sources

Pulse Connect Secure 9.0R3/9.1R1 and higher is vulnerable to an authentication bypass vulnerability exposed by the Windows File Share Browser and Pulse Secure Collaboration features of Pulse Connect Secure that can allow an unauthenticated user to perform remote arbitrary code execution on the Pulse Connect Secure gateway. This vulnerability has been exploited in the wild.

NVD

Affected Software

73 affected components
PulseSecure Pulse Connect Secure=9.0
PulseSecure Pulse Connect Secure=9.0-r1
PulseSecure Pulse Connect Secure=9.0-r2
PulseSecure Pulse Connect Secure=9.0-r2.1
PulseSecure Pulse Connect Secure=9.0-r3
PulseSecure Pulse Connect Secure=9.0-r3.1
PulseSecure Pulse Connect Secure=9.0-r3.2
PulseSecure Pulse Connect Secure=9.0-r3.3
PulseSecure Pulse Connect Secure=9.0-r3.5
PulseSecure Pulse Connect Secure=9.0-r4
PulseSecure Pulse Connect Secure=9.0-r4.1
PulseSecure Pulse Connect Secure=9.0-r5.0
PulseSecure Pulse Connect Secure=9.0-r6.0
PulseSecure Pulse Connect Secure=9.1
PulseSecure Pulse Connect Secure=9.1-r1
PulseSecure Pulse Connect Secure=9.1-r10.0
PulseSecure Pulse Connect Secure=9.1-r10.2
PulseSecure Pulse Connect Secure=9.1-r11.0
PulseSecure Pulse Connect Secure=9.1-r11.1
PulseSecure Pulse Connect Secure=9.1-r11.3
PulseSecure Pulse Connect Secure=9.1-r2
PulseSecure Pulse Connect Secure=9.1-r3
PulseSecure Pulse Connect Secure=9.1-r4
PulseSecure Pulse Connect Secure=9.1-r4.1
PulseSecure Pulse Connect Secure=9.1-r4.2
PulseSecure Pulse Connect Secure=9.1-r4.3
PulseSecure Pulse Connect Secure=9.1-r5
PulseSecure Pulse Connect Secure=9.1-r6
PulseSecure Pulse Connect Secure=9.1-r7
PulseSecure Pulse Connect Secure=9.1-r8
PulseSecure Pulse Connect Secure=9.1-r8.1
PulseSecure Pulse Connect Secure=9.1-r8.2
PulseSecure Pulse Connect Secure=9.1-r8.4
PulseSecure Pulse Connect Secure=9.1-r9
PulseSecure Pulse Connect Secure=9.1-r9.1
PulseSecure Pulse Connect Secure=9.1-r9.2
Ivanti Connect Secure=9.0
Ivanti Connect Secure=9.0-r1
Ivanti Connect Secure=9.0-r2
Ivanti Connect Secure=9.0-r2.1
Ivanti Connect Secure=9.0-r3
Ivanti Connect Secure=9.0-r3.1
Ivanti Connect Secure=9.0-r3.2
Ivanti Connect Secure=9.0-r3.3
Ivanti Connect Secure=9.0-r3.5
Ivanti Connect Secure=9.0-r4
Ivanti Connect Secure=9.0-r4.1
Ivanti Connect Secure=9.0-r5.0
Ivanti Connect Secure=9.0-r6.0
Ivanti Connect Secure=9.1
Ivanti Connect Secure=9.1-r1
Ivanti Connect Secure=9.1-r10.0
Ivanti Connect Secure=9.1-r10.2
Ivanti Connect Secure=9.1-r11.0
Ivanti Connect Secure=9.1-r11.1
Ivanti Connect Secure=9.1-r11.3
Ivanti Connect Secure=9.1-r2
Ivanti Connect Secure=9.1-r3
Ivanti Connect Secure=9.1-r4
Ivanti Connect Secure=9.1-r4.1
Ivanti Connect Secure=9.1-r4.2
Ivanti Connect Secure=9.1-r4.3
Ivanti Connect Secure=9.1-r5
Ivanti Connect Secure=9.1-r6
Ivanti Connect Secure=9.1-r7
Ivanti Connect Secure=9.1-r8
Ivanti Connect Secure=9.1-r8.1
Ivanti Connect Secure=9.1-r8.2
Ivanti Connect Secure=9.1-r8.4
Ivanti Connect Secure=9.1-r9
Ivanti Connect Secure=9.1-r9.1
Ivanti Connect Secure=9.1-r9.2
Ivanti Pulse Connect Secure

Event History

Apr 23, 2021
CVE Published
via MITRE·04:29 PM
Data Sourced
via MITRE·04:29 PM
DescriptionWeakness
Data Sourced
via NVD·05:15 PM
DescriptionSeverityWeaknessAffected Software
Nov 3, 2021
Known Exploited
via CISA·12:00 AM
Known Ransomware
via CISA·12:00 AM
Jan 10, 2024
News Published
06:53 PM
Jan 16, 2024
News Published
via BleepingComputer·01:05 AM
Jan 18, 2024
News Published
via BleepingComputer·08:51 PM
News Published
via BleepingComputer·08:53 PM
Feb 29, 2024
News Published
via BleepingComputer·08:35 PM
Mar 20, 2024
News Published
via BleepingComputer·05:08 PM
Apr 3, 2024
News Published
via BleepingComputer·05:29 PM

Peer vulnerabilities

Found alongside the following vulnerabilities.

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Frequently Asked Questions

1

What is the vulnerability ID of this issue?

The vulnerability ID of this issue is CVE-2021-22893.

2

What is the title of this vulnerability?

The title of this vulnerability is Ivanti Pulse Connect Secure Use-After-Free Vulnerability.

3

What is the description of this vulnerability?

The description of this vulnerability is that Ivanti Pulse Connect Secure contains a use-after-free vulnerability that allows a remote, unauthenticated attacker to execute code via license services.

4

Which software is affected by this vulnerability?

The software affected by this vulnerability is Ivanti Pulse Connect Secure.

5

Where can I find more information about this vulnerability?

You can find more information about this vulnerability [here](https://www.cisa.gov/emergency-directive-21-03).

6

What is the Common Weakness Enumeration (CWE) ID of this vulnerability?

The Common Weakness Enumeration (CWE) ID of this vulnerability is CWE-416.

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