CVE-2023-2959

HIGHNVD 7.58.2▲
EchelonGraph scoreMEDIUM confidence

Score 8.2 from GitHub Security Advisory (severity: HIGH) published 2023-07-17. NVD baseline CVSS 7.5; sources differ by 0.7.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
7.5
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 7.5Exploit: NoneExposed: 0

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

Authentication Bypass by Primary Weakness vulnerability in Oliva Expertise Oliva Expertise EKS allows Collect Data as Provided by Users.

This issue affects Oliva Expertise EKS: before 1.2.

CVSS v3
7.5
EG Score
8.2(medium)
EG Risk
—
EPSS
46.6%
KEV
Not listed

Published

July 17, 2023

Last Modified

May 22, 2026

References (3)

Vendor Advisories for CVE-2023-2959(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 13× 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 110 total refreshes for this CVE.

  1. 2026-07-22 23:09 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-2023-2959?
CVE-2023-2959 is a high vulnerability published on July 17, 2023. Authentication Bypass by Primary Weakness vulnerability in Oliva Expertise Oliva Expertise EKS allows Collect Data as Provided by Users. This issue affects Oliva Expertise EKS: before 1.2.
When was CVE-2023-2959 disclosed?
CVE-2023-2959 was first published in the National Vulnerability Database on July 17, 2023, with the most recent update on May 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-2959 actively exploited?
CVE-2023-2959 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 46.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2023-2959?
CVE-2023-2959 has a CVSS v3 base score of 7.5 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 8.2.
How do I remediate CVE-2023-2959?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-2959, 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.

Dependency Blast Radius

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