What is CVE-2022-48571?

CVE-2022-48571 is a high-severity vulnerability in Memcached, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2023-08-22.

How severe is CVE-2022-48571?

High severity. CVSS v3 base score is 7.5 out of 10.

Resource exhaustion in Memcached

CVE-2022-48571

memcached 1.6.7 allows a Denial of Service via multi-packet uploads in UDP.

Vulnerability class: DoS (Denial of Service)

Published 2023-08-22 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.011 (64.1th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 64.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Memcached — versions 1.6.7

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

github.com/memcached/memcached/commit/6b319c8c7a29e9c353dec83dc92f01905f6c8966 (Patch)
lists.debian.org/debian-lts-announce/2023/09/msg00004.html (mailing-list)

Frequently asked questions

What is CVE-2022-48571?: CVE-2022-48571 is a high-severity vulnerability in Memcached, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2023-08-22.
How severe is CVE-2022-48571?: High severity. CVSS v3 base score is 7.5 out of 10.