CVE-2023-28323

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2023-07-01. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 3%CVSS: 9.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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 v3
9.8
EG Score
9.8(medium)
EG Risk
60(Track)
EG Risk 60/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation3% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
86.6%
KEV
Not listed

Published

July 1, 2023

Last Modified

May 5, 2025

Advisory Details (1)

Auto-updated Jul 6, 2026
No patch confirmed yet.
generic

Ivanti Innovators Hub

https://forums.ivanti.com/s/article/SA-2023-06-20-CVE-2023-28323

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 14× in last 7d / 45× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-23 14:16 UTCEPSS rescore
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  73. 2026-05-23 09:49 UTCEG score recompute
  74. 2026-05-23 09:49 UTCGHSA enrichment

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Frequently asked(5)

What is CVE-2023-28323?
CVE-2023-28323 is a critical vulnerability published on July 1, 2023. 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…
When was CVE-2023-28323 disclosed?
CVE-2023-28323 was first published in the National Vulnerability Database on July 1, 2023, with the most recent update on May 5, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-28323 actively exploited?
CVE-2023-28323 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 86.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2023-28323?
CVE-2023-28323 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2023-28323?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-28323, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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