9.8

CVE-2023-28323: ivanti endpoint_manager Deserialization of Untrusted Data

CVSS: 9.8v3.1CriticalModified
Published 30-06-2023Last modified 05-05-2025

Vulnerability summary

CVE-2023-28323 is a critical (CVSS 9.8) Deserialization of Untrusted Data vulnerability in ivanti endpoint_manager. EPSS estimates a 3.15% chance of exploitation in the next 30 days, higher than 87.7% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
3.15%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 30-06-2023
    PublishedVulnerability first disclosed.
  2. 05-05-2025
    Last modifiedVulnerability information updated.

Description

A deserialization of untrusted data exists in EPM 2022 Su3 and all prior versions that allows an unauthenticated user to elevate rights. This exploit could potentially be used in conjunction with other OS (Operating System) vulnerabilities to escalate privileges on the machine or be used as a stepping stone to get to other network attached machines.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

3.15%

Chance of exploitation in the next 30 days

Percentile

88%

Versus all other CVEs

30-day change

0.00 pp

From 3.15% on 20-09-2026

20-09-202620-10-2026
EPSS score
3.15%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ivanti2 products

1 vendor · 2 products

References

1 links