CVE-2023-6451

HIGHNVD 8.68.6—

8.6

Publicly known cryptographic machine key in AlayaCare's Procura Portal before 9.0.1.2 allows attackers to forge their own authentication cookies and bypass the application's authentication mechanisms.

CVSS v3: 8.6
EG Score: 8.6(medium)
EPSS: 11.8%
KEV: Not listed

Published

February 16, 2024

Last Modified

January 9, 2025

References (2)

vdp@themissinglinkhttps://www.themissinglink.com.au/security-advisories/cve-2023-6451
af854a3a-2127-422b-91ae-364da2661108https://www.themissinglink.com.au/security-advisories/cve-2023-6451

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 13× in last 7d / 15× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-24 08:22 UTCEG score recompute
2026-05-24 08:22 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2023-6451?

CVE-2023-6451 is a high vulnerability published on February 16, 2024. Publicly known cryptographic machine key in AlayaCare's Procura Portal before 9.0.1.2 allows attackers to forge their own authentication cookies and bypass the application's authentication mechanisms.

When was CVE-2023-6451 disclosed?

CVE-2023-6451 was first published in the National Vulnerability Database on February 16, 2024, with the most recent update on January 9, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-6451 actively exploited?

CVE-2023-6451 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 11.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-6451?

CVE-2023-6451 has a CVSS v3 base score of 8.6 (NVD).

How do I remediate CVE-2023-6451?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-6451, 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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CVE-2023-6451

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(2)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-6451?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)