7.5

CVE-2022-48571: memcached Uncontrolled Resource Consumption

Modified
AliasesUBUNTU-CVE-2022-48571USN-6382-1DEBIAN-CVE-2022-48571
Published 22-08-2023Last modified 03-10-2024

Vulnerability summary

CVE-2022-48571 is a high (CVSS 7.5) Uncontrolled Resource Consumption vulnerability in memcached. EPSS estimates a 1.09% chance of exploitation in the next 30 days, higher than 65.4% of scored vulnerabilities.

Priority
Prioritisesevere

Severe, CVSS 7.5 (NVD); no exploitation reported by the 5 checked sources; EPSS 1% (FIRST, 03-11-2026)

Source freshness unavailable

How is this decided?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
1.09%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Timeline

  1. 22-08-2023
    PublishedVulnerability first disclosed.
  2. 03-10-2024
    Last modifiedVulnerability information updated.

Description

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

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

1.09%

Chance of exploitation in the next 30 days

Percentile

65%

Versus all other CVEs

30-day change

No change 0.00 pp

From 1.09% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Debian1 product
  • memcached< 1.5.6-1.1+deb10u1 | < 1.6.8+dfsg-1
Memcached1 product
Ubuntu1 product
  • memcached< 1.4.25-2ubuntu1.5+esm1 | < 1.5.6-0ubuntu1.2+esm1 | < 1.5.22-2ubuntu0.3

3 vendors · 3 products

References

6 links