CVE-2020-10931

Memcached 1.6.x before 1.6.2 allows remote attackers to cause a denial of service (daemon crash)...

7.5 HighFix available

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: High

Exploit likelihood

28.1%Up 26.8 points since Apr 14, 2021

What each source reports

NVD Score used 7.5

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.

Record: CVE-2020-10931
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness: CWE-120
Updated: 2026-11-02

CVE List No score

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.

Record: CVE-2020-10931
Updated: 2026-11-02

EUVDEUVD-2020-3337 No score

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.

Record: EUVD-2020-3337
Updated: 2026-11-03

GitHub AdvisoriesGHSA-vqwp-x6cp-56g5 No score

Memcached 1.6.x before 1.6.2 allows remote attackers to cause a denial of service (daemon crash)...

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.

Record: GHSA-vqwp-x6cp-56g5
Updated: 2026-11-02

OSV 7.5

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.

Record: CVE-2020-10931
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVDEBIAN-CVE-2020-10931 7.5

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.

Record: DEBIAN-CVE-2020-10931
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVBIT-memcached-2020-10931 No score

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.

Record: BIT-memcached-2020-10931
Updated: 2026-11-02

OSVopenSUSE-SU-2024:11045-1 No score

memcached-1.6.9-2.3 on GA media

These are all security issues fixed in the memcached-1.6.9-2.3 package on the GA media of openSUSE Tumbleweed.

Record: openSUSE-SU-2024:11045-1
Updated: 2026-11-02

Affected products

memcached

Affected packages

Affected packages
Package	Affected	Fixed
`memcached` Bitnami	1.6.0 up to 1.6.2	1.6.2
`memcached` Debian:12	before 1.6.2-1	1.6.2-1
`memcached` Debian:13	before 1.6.2-1	1.6.2-1
`memcached` Debian:14	before 1.6.2-1	1.6.2-1
`memcached` openSUSE:Tumbleweed	before 1.6.9-2.3	1.6.9-2.3

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-10931 is a high vulnerability (CVSS 7.5) in Memcached, published March 24, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 28.1%, the 98th percentile. Fixed in memcached 1.6.2.

References

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