CVE-2023-28326

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.8 under NVD CVSS v3. EPSS exploit probability: 1.3%, top 33% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
Trending — 3 sources updated this week
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 9.8Exploit: NoneExposed: 0

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

Vendor: The Apache Software Foundation

Versions Affected: Apache OpenMeetings from 2.0.0 before 7.0.0

Description: Attacker can elevate their privileges in any room

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
—
EPSS
66.6%
KEV
Not listed

Published

March 28, 2023

Last Modified

November 21, 2024

Advisory Details (1)

Auto-updated Jun 15, 2026
No patch confirmed yet.
generic
https://lists.apache.org/thread/r9vn12dp5yofn1h3wd5x4h7c3vmmr5d9

Affected Packages

(1 across 1 ecosystem)
Maven(1)
PackageVulnerable rangeFixed inDependents
org.apache.openmeetings:openmeetings-parent3.1.2 ... 6.3.0 (27 versions)7.0.0—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 12× in last 7d / 47× 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.

Showing the most recent 100 of 103 total refreshes for this CVE.

  1. 2026-07-22 23:08 UTCEG score recompute
  2. 2026-07-22 14:06 UTCEPSS rescore
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Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2023-28326?
CVE-2023-28326 is a critical vulnerability published on March 28, 2023. Vendor: The Apache Software Foundation Versions Affected: Apache OpenMeetings from 2.0.0 before 7.0.0 Description: Attacker can elevate their privileges in any room
When was CVE-2023-28326 disclosed?
CVE-2023-28326 was first published in the National Vulnerability Database on March 28, 2023, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-28326 actively exploited?
CVE-2023-28326 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 66.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2023-28326?
CVE-2023-28326 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2023-28326?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-28326, 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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