How severe is CVE-2023-45873?

CVE-2023-45873 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-45873 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-45873?

CVE-2023-45873 affects Couchbase Couchbase Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-45873?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2023-45873 have an EU (EUVD) identifier?

Yes. CVE-2023-45873 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-50139.

When was CVE-2023-45873 published?

CVE-2023-45873 was published on 2024-02-28 and last updated on 2026-06-17.

CVE-2023-45873

CVE-2023-45873 is a medium-severity vulnerability in Couchbase Couchbase Server with a CVSS 3.x base score of 6.5. 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-770.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-50139
Weakness: CWE-770
Affected product: Couchbase Couchbase Server
Published: 2024-02-28
Last modified: 2026-06-17

Description

An issue was discovered in Couchbase Server through 7.2.2. A data reader may cause a denial of service (application exist) because of the OOM killer.

Frequently asked questions

What is CVE-2023-45873?: An issue was discovered in Couchbase Server through 7.2.2. A data reader may cause a denial of service (application exist) because of the OOM killer.
How severe is CVE-2023-45873?: CVE-2023-45873 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-45873 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-45873?: CVE-2023-45873 affects Couchbase Couchbase Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-45873?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-45873 have an EU (EUVD) identifier?: Yes. CVE-2023-45873 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-50139.
When was CVE-2023-45873 published?: CVE-2023-45873 was published on 2024-02-28 and last updated on 2026-06-17.

References

Affected products (1)

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

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