Which products and versions are affected by CVE-2022-36980?

Affected: Avalanche (Ivanti) versions >= 6.3.2.3490. The full list is in the CVE brief.

Is CVE-2022-36980 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2022-36980 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2022-36980?

No public exploit code is known.

Is there a fix for CVE-2022-36980?

Fixed versions are available, including Avalanche 6.3.4.

How urgently should CVE-2022-36980 be patched?

Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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Vulnerability Intelligence

CVE-2022-36980

High

This vulnerability allows remote attackers to bypass authentication on affected installations of Ivanti Avalanche 6.3.2.3490.

Published Mar 29, 2023 · Updated Feb 18, 2025

Key Facts

Patch immediately

CVE-2022-36980 is a high-severity vulnerability (CVSS 8.1 v3.1) affecting Avalanche (Ivanti).
It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
EPSS estimates a 82% probability of exploitation in the next 30 days.
Fixed versions are available, including Avalanche 6.3.4.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v3.1

8.1

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS (30-day exploit likelihood)

82%

Higher than 99.6% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

None known

Get the full CVE-2022-36980 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

This vulnerability allows remote attackers to bypass authentication on affected installations of Ivanti Avalanche 6.3.2.3490. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the EnterpriseServer service. The issue results from the lack of proper locking when performing operations during authentication. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-15528.

Affected Products

2 affected entries in total

Product	Affected versions	Fixed in
AvalancheIvanti	>= 6.3.2.3490	6.3.4

Patched Releases

Avalanche

6.3.4

Timeline

Publicly disclosed
Mar 29, 2023
Last updated
Feb 18, 2025

Weakness Type

CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition

References

FAQ

Common Questions.

This vulnerability allows remote attackers to bypass authentication on affected installations of Ivanti Avalanche 6.3.2.3490.
Affected: Avalanche (Ivanti) versions >= 6.3.2.3490. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including Avalanche 6.3.4.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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