How severe is CVE-2023-49931?

CVE-2023-49931 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-49931 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-49931?

CVE-2023-49931 affects Couchbase Couchbase Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-49931?

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

Does CVE-2023-49931 have an EU (EUVD) identifier?

Yes. CVE-2023-49931 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-53826.

When was CVE-2023-49931 published?

CVE-2023-49931 was published on 2024-02-29 and last updated on 2026-06-17.

CVE-2023-49931

CVE-2023-49931 is a critical-severity vulnerability in Couchbase Couchbase Server with a CVSS 3.x base score of 9.8. 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-284.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-53826
Weakness: CWE-284
Affected product: Couchbase Couchbase Server
Published: 2024-02-29
Last modified: 2026-06-17

Description

An issue was discovered in Couchbase Server before 7.2.4. SQL++ cURL calls to /diag/eval are not sufficiently restricted.

Frequently asked questions

What is CVE-2023-49931?: An issue was discovered in Couchbase Server before 7.2.4. SQL++ cURL calls to /diag/eval are not sufficiently restricted.
How severe is CVE-2023-49931?: CVE-2023-49931 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-49931 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-49931?: CVE-2023-49931 affects Couchbase Couchbase Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-49931?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2023-49931 have an EU (EUVD) identifier?: Yes. CVE-2023-49931 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-53826.
When was CVE-2023-49931 published?: CVE-2023-49931 was published on 2024-02-29 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:couchbase:couchbase_server:*:*:*:*:*:*:*:*

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