How severe is CVE-2023-6267?

CVE-2023-6267 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 low, integrity low, and availability high.

Is CVE-2023-6267 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-6267?

CVE-2023-6267 primarily affects Quarkus. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-6267?

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-2023-6267 have an EU (EUVD) identifier?

Yes. CVE-2023-6267 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-0298.

When was CVE-2023-6267 published?

CVE-2023-6267 was published on 2024-01-25 and last updated on 2026-06-17.

CVE-2023-6267

CVE-2023-6267 is a high-severity vulnerability in Quarkus 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-755.

Key facts

Severity: High (CVSS 3.x base score 8.6)
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-0298
Weakness: CWE-755
Affected product: Quarkus
Published: 2024-01-25
Last modified: 2026-06-17

Description

A flaw was found in the json payload. If annotation based security is used to secure a REST resource, the JSON body that the resource may consume is being processed (deserialized) prior to the security constraints being evaluated and applied. This does not happen with configuration based security.

Frequently asked questions

What is CVE-2023-6267?: A flaw was found in the json payload. If annotation based security is used to secure a REST resource, the JSON body that the resource may consume is being processed (deserialized) prior to the security constraints being evaluated and applied. This does not happen with configuration based security.
How severe is CVE-2023-6267?: CVE-2023-6267 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 low, integrity low, and availability high.
Is CVE-2023-6267 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-6267?: CVE-2023-6267 primarily affects Quarkus. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-6267?: 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-2023-6267 have an EU (EUVD) identifier?: Yes. CVE-2023-6267 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-0298.
When was CVE-2023-6267 published?: CVE-2023-6267 was published on 2024-01-25 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:quarkus:quarkus:*:*:*:*:*:*:*:*
cpe:2.3:a:quarkus:quarkus:2.13.9:-:*:*:*:*:*:*
cpe:2.3:a:quarkus:quarkus:3.2.9:-:*:*:*:*:*:*

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