VulnerabilityModified
CVE-2021-20251
A race condition in the password lockout code may lead to the risk of brute force attacks being successful if special conditions are met.
MEDIUM 5.9EPSS 0.76%
Does this matter?
Lower severity and a low EPSS score (0.76%). Track it; it rarely justifies an emergency change on its own.
Description
A flaw was found in samba. A race condition in the password lockout code may lead to the risk of brute force attacks being successful if special conditions are met.
- CVSS 3.1
- 5.9 MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
- EPSS
- 0.76% probability · 55th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-362
- Affected
- samba/samba · fedoraproject/fedora
- Source
- secalert@redhat.com
EPSS 0.8% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1929800Issue Tracking, Third Party Advisory
- https://bugzilla.samba.org/show_bug.cgi?id=14611Exploit, Issue Tracking, Third Party Advisory
- https://security.gentoo.org/glsa/202309-06
- https://security.netapp.com/advisory/ntap-20230331-0005/Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1929800Issue Tracking, Third Party Advisory
- https://bugzilla.samba.org/show_bug.cgi?id=14611Exploit, Issue Tracking, Third Party Advisory
- https://security.gentoo.org/glsa/202309-06
- https://security.netapp.com/advisory/ntap-20230331-0005/Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.