CVE-2023-31926

HIGHNVD 7.17.1—
EchelonGraph scoreMEDIUM confidence

Score 7.1 from GitHub Security Advisory (severity: HIGH) published 2023-08-02. NVD baseline CVSS 7.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
7.1
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.1Exploit: NoneExposed: 0

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

System files could be overwritten using the less command in Brocade Fabric OS before Brocade Fabric OS v9.1.1c and v9.2.0.

CVSS v3
7.1
EG Score
7.1(medium)
EG Risk
37(Track)
EG Risk 37/100SSVC: 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
Severity71% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
4.5%
KEV
Not listed

Published

August 2, 2023

Last Modified

February 13, 2025

References (4)

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 10× in last 7d / 42× 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 02:22 UTCEG score recompute
  2. 2026-07-22 23:09 UTCEG score recompute
  3. 2026-07-22 14:06 UTCEPSS rescore
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  5. 2026-07-21 15:23 UTCEPSS rescore
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  1. 2026-07-05 02:28 UTCEPSS rescore
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  24. 2026-06-19 19:24 UTCEPSS rescore
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  45. 2026-06-05 22:46 UTCEPSS rescore
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  47. 2026-06-05 06:09 UTCEPSS rescore
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  49. 2026-06-04 13:11 UTCEPSS rescore
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  54. 2026-06-01 13:51 UTCEPSS rescore
  55. 2026-05-31 22:29 UTCEPSS rescore
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  70. 2026-05-24 20:19 UTCEG score recompute
  71. 2026-05-24 20:19 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2023-31926?
CVE-2023-31926 is a high vulnerability published on August 2, 2023. System files could be overwritten using the less command in Brocade Fabric OS before Brocade Fabric OS v9.1.1c and v9.2.0.
When was CVE-2023-31926 disclosed?
CVE-2023-31926 was first published in the National Vulnerability Database on August 2, 2023, with the most recent update on February 13, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-31926 actively exploited?
CVE-2023-31926 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 4.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2023-31926?
CVE-2023-31926 has a CVSS v3 base score of 7.1 (NVD).
How do I remediate CVE-2023-31926?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-31926, 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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