Buffer overflow in Memcached

CVE-2021-37519

Buffer Overflow vulnerability in authfile.c memcached 1.6.9 allows attackers to cause a denial of service via crafted authenticattion file.

Vulnerability class: Buffer Overflow

EPSS: 0.004 (28.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Memcached — versions 1.6.9
N/a — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

cve@mitre.org (Exploit, Third Party Advisory, Issue Tracking)
cve@mitre.org (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2021-37519?: CVE-2021-37519 is a medium-severity vulnerability in Memcached, classified under Out-of-bounds Write. CVSS score: 5.5/10. Published 2023-02-03.
How severe is CVE-2021-37519?: Medium severity. CVSS v3 base score is 5.5 out of 10.