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OSV
OSV
added 2026/05/21 12:10 p.m.4 views

CLSA-2026-1779365436 samba: Fix of CVE-2021-20251

CVE-2021-20251: fix race condition in the password lockout code that allowed determined attackers to exceed the configured bad-password count by issuing concurrent authentication / SAMR password-change requests for the same account; the bad-password-count read and the follow-up increment now run...

5.9CVSS5.9AI score0.00222EPSS
Exploits1References1
OSV
OSV
added 2026/05/21 9:13 a.m.5 views

CLSA-2026-1779354817 samba: Fix of CVE-2021-20251

CVE-2021-20251: fix race condition in the password lockout code that allowed determined attackers to exceed the configured bad-password count by issuing concurrent authentication / SAMR password-change requests for the same account; the bad-password-count read and the follow-up increment now run...

5.9CVSS5.9AI score0.00222EPSS
Exploits1References1
AstraLinux
AstraLinux
added 2026/05/20 5:53 a.m.13 views

Astra Linux - уязвимость в samba

A flaw was discovered in Samba. A race condition in the password lockout code may lead to the risk of brute-force attacks succeeding if certain conditions are met...

5.9CVSS6.8AI score0.00222EPSS
Exploits1References2
Tenable Nessus
Tenable Nessus
added 2026/01/22 12:0 a.m.4 views

Azure Linux 3.0 Security Update: samba (CVE-2021-20251)

The version of samba installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2021-20251 advisory. - A flaw was found in samba. A race condition in the password lockout code May lead to the risk of brute force...

5.9CVSS5.7AI score0.00222EPSS
Exploits1References2
Tenable Nessus
Tenable Nessus
added 2026/01/16 12:0 a.m.6 views

MiracleLinux 7 : 389-ds-base-1.3.6.1-19.el7 (AXSA:2017-2225:06)

The remote MiracleLinux 7 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2017-2225:06 advisory. A flaw was found in the way 389-ds-base handled authentication attempts against locked accounts. A remote attacker could potentially use this flaw to continu...

9.8CVSS7AI score0.00263EPSS
Exploits1References2
EUVD
EUVD
added 2025/10/03 8:7 p.m.1 views

EUVD-2021-7689

Malicious code in bioql PyPI...

5.9CVSS6.6AI score0.00222EPSS
Exploits1References6
Microsoft CVE
Microsoft CVE
added 2024/10/15 12:0 a.m.1 views

CVE-2021-20251

...

5.9CVSS6.3AI score0.00222EPSS
Exploits1
Tenable Nessus
Tenable Nessus
added 2023/06/07 12:0 a.m.40 views

EulerOS Virtualization 2.11.0 : samba (EulerOS-SA-2023-2128)

According to the versions of the samba packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : - A flaw was found in samba. A race condition in the password lockout code may lead to the risk of brute force attacks being...

9.8CVSS7.8AI score0.10832EPSS
Exploits2References6
OSV
OSV
added 2023/03/06 11:15 p.m.31 views

CVE-2021-20251

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...

5.9CVSS6.9AI score
Exploits0References4
OSV
OSV
added 2023/03/06 11:15 p.m.1 views

DEBIAN-CVE-2021-20251

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...

5.9CVSS6.5AI score0.00222EPSS
Exploits1References1
OSV
OSV
added 2023/03/06 11:15 p.m.3 views

AZL-36998 CVE-2021-20251 affecting package samba for versions less than 4.18.3-1

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...

5.9CVSS6.7AI score0.00222EPSS
Exploits1References1
NVD
NVD
added 2023/03/06 11:15 p.m.16 views

CVE-2021-20251

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...

5.9CVSS6.7AI score0.00222EPSS
Exploits1References4
OSV
OSV
added 2023/03/06 11:15 p.m.0 views

AZL-27917 CVE-2021-20251 affecting package samba 4.12.5-7

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...

5.9CVSS6.7AI score0.00222EPSS
Exploits1References1
Debian CVE
Debian CVE
added 2023/03/06 12:0 a.m.36 views

CVE-2021-20251

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...

5.9CVSS6.2AI score0.00222EPSS
Exploits1
Vulnrichment
Vulnrichment
added 2023/03/06 12:0 a.m.4 views

CVE-2021-20251

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...

7.3AI score0.00222EPSS
Exploits1References4
RedhatCVE
RedhatCVE
added 2023/03/03 7:29 p.m.32 views

CVE-2021-20251

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...

5.9CVSS3.1AI score0.00222EPSS
Exploits1References3
SUSE CVE
SUSE CVE
added 2023/02/15 3:47 a.m.1 views

SUSE CVE-2021-20251

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...

8.1CVSS6.8AI score0.00222EPSS
Exploits1References20
Tenable Nessus
Tenable Nessus
added 2023/02/02 12:0 a.m.38 views

SUSE SLES15 / openSUSE 15 Security Update : samba (SUSE-SU-2023:0222-1)

The remote SUSE Linux SLES15 / SLESSAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2023:0222-1 advisory. - A flaw was found in samba. A race condition in the password lockout code may lead to the risk of brute force attack...

8.1CVSS7AI score0.01378EPSS
Exploits1References10
CVE
CVE
added 2023/01/19 6:54 p.m.47 views

CVE-2021-27782

CVE-2021-27782 affects HCL BigFix Mobile / Modern Client Management Admin and Config UI. The issue allows brute-forcing of passwords in the configuration interfaces, with recommended user lockout after multiple invalid attempts. Connected sources confirm this behavior but do not consistently spec...

7.5CVSS6.5AI score0.0019EPSS
Exploits0References1Affected Software1
OSV
OSV
added 2022/10/27 12:0 a.m.0 views

UBUNTU-CVE-2021-20251

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...

5.9CVSS6.7AI score0.00222EPSS
Exploits1References4
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