PT-2023-21648 · Ivanti · Ivanti Epm

Published 2023-06-30 · Updated 2023-10-05 · CVE-2023-28323

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Ivanti EPM versions prior to 2022 Su3

Description A deserialization of untrusted data exists that allows an unauthenticated user to elevate rights. This exploit could potentially be used in conjunction with other OS vulnerabilities to escalate privileges on the machine or be used as a stepping stone to get to other network attached machines.

Recommendations For versions prior to 2022 Su3, consider disabling the deserialization of untrusted data functionality until a patch is available. Restrict access to the vulnerable module to minimize the risk of exploitation. Avoid using the EPMAuthToken in the affected API endpoint until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Deserialization of Untrusted Data

Weakness Enumeration

CWE-502

Related Identifiers

CVE-2023-28323

ZDI-23-1532

Affected Products

Ivanti Epm

References · 7

• https://forums.ivanti.com/s/article/SA-2023-06-20-CVE-2023-28323 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-28323 · Security Note
• https://osv.dev/vulnerability/CVE-2023-28323 · Vendor Advisory
• https://zerodayinitiative.com/advisories/ZDI-23-1532 · Security Note
• https://t.me/cibsecurity/65838 · Telegram Post
• https://twitter.com/payloadartist/status/1701604075547058647 · Twitter Post
• https://t.me/cvenotify/53491 · Telegram Post