High severity · published Sep 29, 2021
CVE-2021-35944
Couchbase Server 6.5.x, 6.6.x through 6.6.2, and 7.0.0 has a Buffer Overflow
7.5
CVSS
1.1%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 65% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CS
Couchbase Server · Couchbase
6.5.0 through 6.5.2; 6.6.0 through 6.6.2; 7.0.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-35944
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-35944
Release Notes
https://docs.couchbase.com/server/current/release-notes/relnotes.html
Vendor Advisory
https://www.couchbase.com/alerts
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