CVE-2016-2124
MEDIUMCVSS 5.9/10EPSS 1.76%
Last modified
CVE-2016-2124 is a medium-severity vulnerability rated 5.9/10 on the CVSS scale. A flaw was found in the way samba implemented SMB1 authentication. An attacker could use this flaw to retrieve the plaintext password sent over the wire even if Kerberos authentication was required.. EPSS estimates a 1.76% chance of exploitation in the next 30 days.
Description
A flaw was found in the way samba implemented SMB1 authentication. An attacker could use this flaw to retrieve the plaintext password sent over the wire even if Kerberos authentication was required.
Metrics
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Samba | Samba | >= 3.0.0, < 4.13.14 |
| Samba | Samba | >= 4.14.0, < 4.14.10 |
| Samba | Samba | >= 4.15.0, < 4.15.2 |
| Debian | Debian Linux | 9.0 |
| Debian | Debian Linux | 10.0 |
| Fedoraproject | Fedora | 33 |
| Fedoraproject | Fedora | 34 |
| Fedoraproject | Fedora | 35 |
| Redhat | Codeready Linux Builder | All versions |
| Redhat | Gluster Storage | 3.0 |
| Redhat | Gluster Storage | 3.5 |
| Redhat | Openstack | 13 |
| Redhat | Openstack | 16.1 |
| Redhat | Openstack | 16.2 |
| Redhat | Virtualization Host | 4.0 |
| Redhat | Enterprise Linux | 7.0 |
| Redhat | Enterprise Linux | 8.0 |
| Redhat | Enterprise Linux Desktop | 7.0 |
| Redhat | Enterprise Linux Eus | 8.2 |
| Redhat | Enterprise Linux Eus | 8.4 |
| Redhat | Enterprise Linux For Ibm Z Systems | 7.0 |
| Redhat | Enterprise Linux For Ibm Z Systems | 8.0 |
| Redhat | Enterprise Linux For Ibm Z Systems Eus | 8.2 |
| Redhat | Enterprise Linux For Ibm Z Systems Eus | 8.4 |
| Redhat | Enterprise Linux For Power Big Endian | 7.0 |
| Redhat | Enterprise Linux For Power Little Endian | 7.0 |
| Redhat | Enterprise Linux For Power Little Endian | 8.0 |
| Redhat | Enterprise Linux For Power Little Endian Eus | 8.2 |
| Redhat | Enterprise Linux For Power Little Endian Eus | 8.4 |
| Redhat | Enterprise Linux For Scientific Computing | 7.0 |
| Redhat | Enterprise Linux Resilient Storage | 7.0 |
| Redhat | Enterprise Linux Server | 7.0 |
| Redhat | Enterprise Linux Server Aus | 8.2 |
| Redhat | Enterprise Linux Server Aus | 8.4 |
| Redhat | Enterprise Linux Server Tus | 8.4 |
| Redhat | Enterprise Linux Server Update Services For Sap Solutions | 8.2 |
| Redhat | Enterprise Linux Server Update Services For Sap Solutions | 8.4 |
| Redhat | Enterprise Linux Tus | 8.2 |
| Redhat | Enterprise Linux Workstation | 7.0 |
| Canonical | Ubuntu Linux | 18.04 |
| Canonical | Ubuntu Linux | 20.04 |
| Canonical | Ubuntu Linux | 21.04 |
| Canonical | Ubuntu Linux | 21.10 |
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2019660Issue Tracking, Patch, Third Party Advisory
- https://www.samba.org/samba/security/CVE-2016-2124.htmlMitigation, Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2019660Issue Tracking, Patch, Third Party Advisory
- https://www.samba.org/samba/security/CVE-2016-2124.htmlMitigation, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2016-2124?
A flaw was found in the way samba implemented SMB1 authentication. An attacker could use this flaw to retrieve the plaintext password sent over the wire even if Kerberos authentication was required.
How severe is CVE-2016-2124?
CVE-2016-2124 has a CVSS score of 5.9/10 (MEDIUM severity). The EPSS model estimates a 1.76% probability of exploitation in the next 30 days.
How do I fix CVE-2016-2124?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2016
- CVE-2016-2118The MS-SAMR and MS-LSAD protocol implementations in Samba 3.…7.5
- CVE-2016-2119libcli/smb/smbXcli_base.c in Samba 4.x before 4.2.14, 4.3.x …7.5
- CVE-2016-2120An issue has been found in PowerDNS Authoritative Server ver…7.5
- CVE-2016-2121A permissions flaw was found in redis, which sets weak permi…4
- CVE-2016-2122Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultID…
- CVE-2016-2123A flaw was found in samba versions 4.0.0 to 4.5.2. The Samba…8.8
- CVE-2016-2125It was found that Samba before versions 4.5.3, 4.4.8, 4.3.13…6.5
- CVE-2016-2126Samba version 4.0.0 up to 4.5.2 is vulnerable to privilege e…6.5
- CVE-2016-2127Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultID…
- CVE-2016-2128Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultID…
- CVE-2016-2129Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultID…
- CVE-2016-2130Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultID…
Are you affected by CVE-2016-2124?
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Scan your code nowSource: NVD / NIST