What is CVE-2022-42950?

CVE-2022-42950 is a medium-severity vulnerability in Couchbase Server, classified under Uncontrolled Resource Consumption. CVSS score: 4.9/10. Published 2023-02-06.

How severe is CVE-2022-42950?

Medium severity. CVSS v3 base score is 4.9 out of 10.

Resource exhaustion in Couchbase Server

CVE-2022-42950

An issue was discovered in Couchbase Server 7.x before 7.0.5 and 7.1.x before 7.1.2. A crafted HTTP REST request from an administrator account to the Couchbase Server Backup Service can exhaust memory resources, causing the process to be killed, which can be used for denial of service.

Vulnerability class: DoS (Denial of Service)

Published 2023-02-06 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.010 (59.9th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 59.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Couchbase Server

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

forums.couchbase.com/tags/security (Issue Tracking)
docs.couchbase.com/server/current/release-notes/relnotes.html (Release Notes)
www.couchbase.com/alerts/ (Vendor Advisory)

Frequently asked questions

What is CVE-2022-42950?: CVE-2022-42950 is a medium-severity vulnerability in Couchbase Server, classified under Uncontrolled Resource Consumption. CVSS score: 4.9/10. Published 2023-02-06.
How severe is CVE-2022-42950?: Medium severity. CVSS v3 base score is 4.9 out of 10.