How severe is CVE-2023-28470?

CVE-2023-28470 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2023-28470 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-28470?

CVE-2023-28470 affects Couchbase Couchbase Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-28470?

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

When was CVE-2023-28470 published?

CVE-2023-28470 was published on 2023-03-23 and last updated on 2026-06-17.

CVE-2023-28470

CVE-2023-28470 is a medium-severity vulnerability in Couchbase Couchbase Server with a CVSS 3.x base score of 5.3. 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-306.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-306
Affected product: Couchbase Couchbase Server
Published: 2023-03-23
Last modified: 2026-06-17

Description

In Couchbase Server 5 through 7 before 7.1.4, the nsstats endpoint is accessible without authentication.

Frequently asked questions

What is CVE-2023-28470?: In Couchbase Server 5 through 7 before 7.1.4, the nsstats endpoint is accessible without authentication.
How severe is CVE-2023-28470?: CVE-2023-28470 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2023-28470 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-28470?: CVE-2023-28470 affects Couchbase Couchbase Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-28470?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-28470 published?: CVE-2023-28470 was published on 2023-03-23 and last updated on 2026-06-17.

References

Affected products (1)

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

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