Resource exhaustion in Samba
CVE-2021-3670
MaxQueryDuration not honoured in Samba AD DC LDAP
Vulnerability class: DoS (Denial of Service)
EPSS: 0.017 (74.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Samba
- Fedoraproject Fedora — versions 35
- Redhat Storage — versions 3.0
- N/a Samba — versions Affects Samba 4.1 and newer.
Weakness classification (CWE)
References
- secalert@redhat.com (Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)
- secalert@redhat.com (Patch, x_refsource_MISC, Issue Tracking, Vendor Advisory)
- secalert@redhat.com (Patch, Third Party Advisory, x_refsource_MISC)
- secalert@redhat.com (Patch, Third Party Advisory, x_refsource_MISC)
- secalert@redhat.com (Patch, Third Party Advisory, x_refsource_MISC)
- secalert@redhat.com (Patch, Third Party Advisory, x_refsource_MISC)
- secalert@redhat.com (Patch, Third Party Advisory, x_refsource_MISC)
- secalert@redhat.com (Patch, Third Party Advisory, x_refsource_MISC)
- secalert@redhat.com (Patch, Third Party Advisory, x_refsource_MISC)
- secalert@redhat.com (Third Party Advisory)
Frequently asked questions
- What is CVE-2021-3670?
- CVE-2021-3670 is a medium-severity vulnerability in Samba, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2022-08-23.
- How severe is CVE-2021-3670?
- Medium severity. CVSS v3 base score is 6.5 out of 10.