PT-2022-23724 · Ivanti · Ivanti Avalanche

Chudypb + 1 · Published 2022-05-26 · Updated 2023-04-06 · CVE-2022-36980

Positive Technologies (AI Summary)

CVSS v3.1

9.4

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Ivanti Avalanche version 6.3.2.3490

Description This issue allows remote attackers to bypass authentication on affected installations. Although authentication is required to exploit this issue, the existing authentication mechanism can be bypassed. The specific flaw exists within the EnterpriseServer service, resulting from the lack of proper locking when performing operations during authentication. An attacker can leverage this issue to bypass authentication on the system.

Recommendations For Ivanti Avalanche version 6.3.2.3490, consider disabling the EnterpriseServer service as a temporary workaround until a patch is available. Restrict access to the service to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this issue.

Fix

Time Of Check To Time Of Use

Weakness Enumeration

CWE-367

Related Identifiers

CVE-2022-36980

ZDI-22-785

Affected Products

Ivanti Avalanche

References · 5

• https://osv.dev/vulnerability/CVE-2022-36980 · Vendor Advisory
• https://zerodayinitiative.com/advisories/ZDI-22-785 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-36980 · Security Note
• https://download.wavelink.com/Files/avalanche_v6.3.4_release_notes.txt · Note
• https://t.me/cibsecurity/61049 · Telegram Post