Medium severity · published Aug 23, 2022
CVE-2021-3670
MaxQueryDuration not honoured in Samba AD DC LDAP
6.5
CVSS
2.3%
EPSS
No
On KEV
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.3% · higher than 83% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FE
Fedora · Fedoraproject
35 · source: NVD
SA
Samba · Samba
4.1.0 before 4.16.0 · source: NVD
ST
Storage · Redhat
3.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-3670
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-3670
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=2077533
Issue Tracking
https://bugzilla.samba.org/show_bug.cgi?id=14694
Patch
https://gitlab.com/samba-team/samba/-/commit/1d5b155619bc532c46932965b215bd73a920e56f
Patch
https://gitlab.com/samba-team/samba/-/commit/2b3af3b560c9617a233c131376c870fce146c002
Patch
https://gitlab.com/samba-team/samba/-/commit/3507e96b3dcf0c0b8eff7b2c08ffccaf0812a393
Patch
https://gitlab.com/samba-team/samba/-/commit/5f0590362c5c0c5ee20503a67467f9be2d50e73b
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