CVE-2015-0240

HIGHEPSS 100th pctl

10.0

CVSS v2

Description

The Netlogon server implementation in smbd in Samba 3.5.x and 3.6.x before 3.6.25, 4.0.x before 4.0.25, 4.1.x before 4.1.17, and 4.2.x before 4.2.0rc5 performs a free operation on an uninitialized stack pointer, which allows remote attackers to execute arbitrary code via crafted Netlogon packets that use the ServerPasswordSet RPC API, as demonstrated by packets reaching the _netr_ServerPasswordSet function in rpc_server/netlogon/srv_netlog_nt.c.

CWE-17

How to fix

Remediation Available

sambaDebian

Fixed in:2:4.1.17+dfsg-1CVE-2015-0240

sambaUbuntu

Fixed in:2:4.1.6+dfsg-1ubuntu2.14.04.7USN-2508-1

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

87.64%probability of exploitation in 30 days

100thpercentile

Very high risk: more likely to be exploited than 100% of all known CVEs.

References

Related Vulnerabilities

Other CWE-17 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2015-3183	Medium	5.0	73%	-	Fix
CVE-2014-9222	High	10.0	64%	-	-
CVE-2015-4620	High	7.8	38%	-	Fix
CVE-2014-9707	High	7.5	28%	-	-
CVE-2015-2526	Medium	5.0	24%	-	-
CVE-2015-0286	Medium	5.0	21%	-	Fix

Common questions

How do I fix CVE-2015-0240?

Published advisories record a fix for 2 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2015-0240 being actively exploited?

Not that we know of. CVE-2015-0240 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 87.6% is the estimated probability that it will be exploited in the next 30 days. That is higher than 100% of all scored CVEs.

How severe is CVE-2015-0240?

CVE-2015-0240 has a CVSS v2 base score of 10.0, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2015-0240 affect?

Published advisories record a fix for samba (Debian), samba (Ubuntu). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

Embed a live status badge for CVE-2015-0240

Markdown

[![CVE-2015-0240](https://tridentstack.com/cve/badge/CVE-2015-0240.svg)](https://tridentstack.com/cve/CVE-2015-0240)

HTML

<a href="https://tridentstack.com/cve/CVE-2015-0240"><img src="https://tridentstack.com/cve/badge/CVE-2015-0240.svg" alt="CVE-2015-0240"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

See how it works Start freeThis CVE lookup is free and always will be.

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.