How severe is CVE-2023-45875?

CVE-2023-45875 has a CVSS 3.x base score of 7.5, 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-2023-45875 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-45875?

CVE-2023-45875 affects Couchbase Couchbase Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-45875?

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.

When was CVE-2023-45875 published?

CVE-2023-45875 was published on 2023-11-08 and last updated on 2026-06-17.

CVE-2023-45875

CVE-2023-45875 is a high-severity vulnerability in Couchbase Couchbase Server with a CVSS 3.x base score of 7.5. 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-200.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Couchbase Couchbase Server
Published: 2023-11-08
Last modified: 2026-06-17

Description

An issue was discovered in Couchbase Server 7.2.0. There is a private key leak in debug.log while adding a pre-7.0 node to a 7.2 cluster.

Frequently asked questions

What is CVE-2023-45875?: An issue was discovered in Couchbase Server 7.2.0. There is a private key leak in debug.log while adding a pre-7.0 node to a 7.2 cluster.
How severe is CVE-2023-45875?: CVE-2023-45875 has a CVSS 3.x base score of 7.5, 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-2023-45875 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-45875?: CVE-2023-45875 affects Couchbase Couchbase Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-45875?: 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.
When was CVE-2023-45875 published?: CVE-2023-45875 was published on 2023-11-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:couchbase:couchbase_server:7.2.0:*:*:*:*:*:*:*

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