How severe is CVE-2023-6451?

CVE-2023-6451 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-6451 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-6451?

CVE-2023-6451 affects Alayacare Procura. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-6451?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2023-6451 have an EU (EUVD) identifier?

Yes. CVE-2023-6451 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-58688.

When was CVE-2023-6451 published?

CVE-2023-6451 was published on 2024-02-16 and last updated on 2026-06-17.

CVE-2023-6451

CVE-2023-6451 is a high-severity vulnerability in Alayacare Procura with a CVSS 3.x base score of 8.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: High (CVSS 3.x base score 8.6)
EPSS exploit prediction: 1% (41st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-58688
Weakness: CWE-287
Affected product: Alayacare Procura
Published: 2024-02-16
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2023-6451?: 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.
How severe is CVE-2023-6451?: CVE-2023-6451 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-6451 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-6451?: CVE-2023-6451 affects Alayacare Procura. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-6451?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2023-6451 have an EU (EUVD) identifier?: Yes. CVE-2023-6451 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-58688.
When was CVE-2023-6451 published?: CVE-2023-6451 was published on 2024-02-16 and last updated on 2026-06-17.

References

https://www.themissinglink.com.au/security-advisories/cve-2023-6451

Affected products (1)

cpe:2.3:a:alayacare:procura:*:*:*:*:*:*:*:*

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