What is CVE-2021-35944?

CVE-2021-35944 is a high-severity vulnerability in Couchbase Server, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2021-09-29.

How severe is CVE-2021-35944?

High severity. CVSS v3 base score is 7.5 out of 10.

Buffer overflow in Couchbase Server

CVE-2021-35944

Couchbase Server 6.5.x, 6.6.x through 6.6.2, and 7.0.0 has a Buffer Overflow. A specially crafted network packet sent from an attacker can crash memcached.

Vulnerability class: Buffer Overflow

EPSS: 0.011 (62.0th 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

Couchbase Couchbase_server — versions 7.0.0
N/a — versions n/a

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

cve@mitre.org (x_refsource_MISC, Release Notes, Vendor Advisory)
cve@mitre.org (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-35944?: CVE-2021-35944 is a high-severity vulnerability in Couchbase Server, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2021-09-29.
How severe is CVE-2021-35944?: High severity. CVSS v3 base score is 7.5 out of 10.