CVE-2023-23914

CRITICALNVD 9.19.1—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.1 under NVD CVSS v3. EPSS exploit probability: 0.9%, top 45% 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
Elevated
9.1
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 9.1Exploit: NoneExposed: 0

A fix is available — apply it.

A cleartext transmission of sensitive information vulnerability exists in curl

CVSS v3
9.1
EG Score
9.1(medium)
EG Risk
72(Attend)
EG Risk 72/100SSVC: Attend

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
Severity91% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS
54.7%
KEV
Not listed

Published

February 23, 2023

Last Modified

March 12, 2025

Advisory Details (3)

Auto-updated Jul 23, 2026
No patch confirmed yet.
generic

NetApp Product Security

https://security.netapp.com/advisory/ntap-20230309-0006/
generic

curl: Multiple Vulnerabilities (GLSA 202310-12) — Gentoo security

https://security.gentoo.org/glsa/202310-12
generic

HackerOne

https://hackerone.com/reports/1813864

Patch Availability(3)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntucurl (7.68.0-1ubuntu2.16) @ focal2026-05-25ubuntu
redhatjbcs-httpd24-curl2023-06-05redhat
redhatjbcs-httpd24-curl-0:8.0.1-1.el7jbcs2023-06-05redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

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

All Vendor Advisories

(4)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 13× in last 7d / 51× 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 112 total refreshes for this CVE.

  1. 2026-07-23 14:16 UTCEPSS rescore
  2. 2026-07-23 14:16 UTCEPSS rescore
  3. 2026-07-23 02:19 UTCEG score recompute
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  19. 2026-06-28 04:34 UTCOSV refresh
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  49. 2026-06-10 15:17 UTCOSV refresh
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Frequently asked(5)

What is CVE-2023-23914?
CVE-2023-23914 is a critical vulnerability published on February 23, 2023. A cleartext transmission of sensitive information vulnerability exists in curl <v7.88.0 that could cause HSTS functionality fail when multiple URLs are requested serially. Using its HSTS support, curl can be instructed to use HTTPS instead of usingan insecure clear-text HTTP step even when HTTP is…
When was CVE-2023-23914 disclosed?
CVE-2023-23914 was first published in the National Vulnerability Database on February 23, 2023, with the most recent update on March 12, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-23914 actively exploited?
CVE-2023-23914 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 54.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2023-23914?
CVE-2023-23914 has a CVSS v3 base score of 9.1 (NVD).
How do I remediate CVE-2023-23914?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-23914, 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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