5

CVE-2011-4971: memcached Numeric Errors

Modified
AliasesMGASA-2013-0339DEBIAN-CVE-2011-4971
Published 12-12-2013Last modified 07-08-2024

Vulnerability summary

CVE-2011-4971 is a medium (CVSS 5.0) Numeric Errors vulnerability in memcached. EPSS estimates a 22.32% chance of exploitation in the next 30 days, higher than 97.6% of scored vulnerabilities. 3 public exploits are recorded.

Priority
Prioritiseweaponized exploit

Weaponized exploit (Metasploit, Date unknown)

Source freshness unavailable

How is this decided?
CVSS score
5.0/10
010
Medium · v2.0 (NVD)
EPSS score
22.32%
0%100%
High · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits3reference, metasploit

Advisory lineage

Upstream 0 · Downstream 4 · Duplicates 1 · Related 3

Timeline

  1. 12-12-2013
    PublishedVulnerability first disclosed.
  2. 07-08-2024
    Last modifiedVulnerability information updated.

Description

Multiple integer signedness errors in the (1) process_bin_sasl_auth, (2) process_bin_complete_sasl_auth, (3) process_bin_update, and (4) process_bin_append_prepend functions in Memcached 1.4.5 and earlier allow remote attackers to cause a denial of service (crash) via a large body length value in a packet.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

22.32%

Chance of exploitation in the next 30 days

Percentile

98%

Versus all other CVEs

30-day change

No change 0.00 pp

From 22.32% 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

3 found
  • referenceUnverified

    Exploit Reference (insecurety.net)

    Maturity: unknown

  • referenceUnverified

    Exploit Reference (code.google.com)

    Maturity: unknown

  • MetasploitMetasploitremoteUnverified

    Memcached Remote Denial of Service

    auxiliary/dos/misc/memcached

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Version check

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

Mageia2 products
  • memcached< 1.4.15-1.mga2
  • memcached< 1.4.15-1.mga3
Debian1 product
  • memcached< 1.4.13-0.3
Memcached1 product
  • memcachedEOL≤ 1.4.5 | 1.2.7 | 1.2.8 | 1.4.0 | 1.4.1 | 1.4.2 | 1.4.3 | 1.4.4

3 vendors · 4 products

References

13 links
Show all 13 references