← Vulnerability feed

Vulnerability record · CVE-2020-10931 · published 24 March 2020

CVE-2020-10931: Memcached classic buffer overflow vulnerability

MMemcached · Memcached

Memcached 1.6.x before 1.6.2 allows remote attackers to cause a denial of service (daemon crash) via a crafted binary protocol header to try_read_command_binary in memcached.c.

7.5 CVSS 3.1 High EPSS 28% · top 2.0% CWE-120 · Classic buffer overflow
7.5CVSS 3.1 base score, v2 5.0
28%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

Memcached 1.6.x before 1.6.2 allows remote attackers to cause a denial of service (daemon crash) via a crafted binary protocol header to try_read_command_binary in memcached.c.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/memcached/memcached/commit/02c6a2b62ddcb6fa4569a591d3461a156a636305 PatchThird Party Advisory
https://github.com/memcached/memcached/issues/629 ExploitThird Party Advisory
https://github.com/memcached/memcached/wiki/ReleaseNotes162 Third Party Advisory
https://github.com/memcached/memcached/commit/02c6a2b62ddcb6fa4569a591d3461a156a636305 PatchThird Party Advisory
https://github.com/memcached/memcached/issues/629 ExploitThird Party Advisory
https://github.com/memcached/memcached/wiki/ReleaseNotes162 Third Party Advisory

Track CVE-2020-10931 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2023-46853Memcached vulnerabilityIn Memcached before 1.6.22, an off-by-one error exists when processing proxy requests in proxy mode, if \n is used instead of \r\n.EPSS 0.76%9.8CVE-2016-8704Memcached integer overflow vulnerabilityAn integer overflow in the process_bin_append_prepend function in Memcached, which is responsible for processing multiple commands of Memcached binar…EPSS 23%9.8CVE-2016-8705Memcached integer overflow vulnerabilityMultiple integer overflows in process_bin_update function in Memcached, which is responsible for processing multiple commands of Memcached binary pro…EPSS 20%8.1CVE-2026-47783Memcached vulnerabilityIn memcached before 1.6.42, username data for SASL password database authentication has a timing side channel because a loop exits as soon as a valid…EPSS 1.3%8.1CVE-2026-47784Memcached vulnerabilityIn memcached before 1.6.42, password data for SASL password database authentication has a timing side channel because memcmp is used by sasl_server_u…EPSS 0.55%8.1CVE-2016-8706Memcached binary protocol SASL auth integer overflow leads to RCEAn integer overflow in the process_bin_sasl_auth function, which handles authentication commands in the Memcached binary protocol, can cause a heap o…EPSS 46%analysed7.5CVE-2023-46852Memcached classic buffer overflow vulnerabilityIn Memcached before 1.6.22, a buffer overflow exists when processing multiget requests in proxy mode, if there are many spaces after the "get" substr…EPSS 0.78%7.5CVE-2022-48571Memcached uncontrolled resource consumption vulnerabilitymemcached 1.6.7 allows a Denial of Service via multi-packet uploads in UDP.EPSS 1.1%

Source: NIST National Vulnerability Database (record CVE-2020-10931), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.