CVE-2016-2125

What it is

It was found that Samba before versions 4.5.3, 4.4.8, 4.3.13 always requested forwardable tickets when using Kerberos authentication. A service to which Samba authenticated using Kerberos could subsequently use the ticket to impersonate Samba to other services or domain users.

At a glance

Exploitability

Can be exploited from the same network segment without logging in. High risk of data exposure.

Exploit odds

9.2% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2018-10-31 20:29 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 00:43 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 9.2% in the next 30 days (EPSS).
• Severity: 6.5 MEDIUM (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2018-10-31 20:29 UTC

Last modified

2026-06-17 00:43 UTC

Exploit probability

9.2% · EPSS, next 30 days

Weakness

CWE-287 · Improper authentication

Record status

Modified

Affected

• Samba < 4.3.13
• Samba < 4.4.8
• Samba < 4.5.3
• Redhat Gluster Storage 3.0
• Redhat Enterprise Linux Desktop 6.0
• Redhat Enterprise Linux Desktop 7.0
• Redhat Enterprise Linux Server 6.0
• Redhat Enterprise Linux Server 7.0

Attack profile CVSS 3.1 · 6.5

Attack vector

Adjacent network

Complexity

Low

Privileges needed

None

User interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2016-2125.md and follow it. Check whether this project is affected by CVE-2016-2125. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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