Buffer overflow in Memcached

CVE-2020-10931

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.

Vulnerability class: Buffer Overflow

EPSS: 0.281 (97.9th percentile) — read the EPSS interpretation.

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.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-10931?
CVE-2020-10931 is a high-severity vulnerability in Memcached, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2020-03-24.
How severe is CVE-2020-10931?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2020-10931 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.