Is CVE-2017-7494 in the CISA KEV catalog?

Yes. CVE-2017-7494 is on the CISA Known Exploited Vulnerabilities list, added 2023-03-30, and has known ransomware campaign use.

What is the CVSS severity of CVE-2017-7494?

CVE-2017-7494 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2017-7494?

CVE-2017-7494 has an EPSS score of 99.45% (100th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2017-7494?

Upgrade samba on debian 11 to 2:4.5.8+dfsg-2 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2017-7494

CRITICALCISA KEVEPSS 100th pctl

9.8

CVSS v3

NVD

Description

Samba since version 3.5.0 and before 4.6.4, 4.5.10 and 4.4.14 is vulnerable to remote code execution vulnerability, allowing a malicious client to upload a shared library to a writable share, and then cause the server to load and execute it.

CWE-94Code Injection

How to fix

Remediation Available

sambaDebian

Fixed in:2:4.5.8+dfsg-2CVE-2017-7494

sambaUbuntu

Fixed in:2:4.3.11+dfsg-0ubuntu0.14.04.8USN-3296-1

Fixed in:2:4.3.11+dfsg-0ubuntu0.16.04.7USN-3296-1

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 v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

99.45%probability of exploitation in 30 days

100thpercentile

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

Known Exploited Vulnerability (CISA KEV)

Samba Remote Code Execution Vulnerability

Samba contains a remote code execution vulnerability, allowing a malicious client to upload a shared library to a writable share and then cause the server to load and execute it.

Apply updates per vendor instructions.

Remediation due: 2023-04-20

Associated with ransomware campaigns

References

Patch1

samba.org

Third-Party Advisory15

Government Resource1

cisa.gov

Related Vulnerabilities

Other CWE-94 (Code Injection) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2017-9841	Critical	9.8	100%	KEV	Fix
CVE-2015-1635	Critical	9.8	100%	KEV	-
CVE-2022-22954	Critical	9.8	100%	KEV + Ransom	-
CVE-2025-3248	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2021-22204	Medium	6.8	100%	KEV	Fix
CVE-2012-0158	High	8.8	100%	KEV	-

Embed a live status badge for CVE-2017-7494

Markdown

[![CVE-2017-7494](https://tridentstack.com/cve/badge/CVE-2017-7494.svg)](https://tridentstack.com/cve/CVE-2017-7494)

HTML

<a href="https://tridentstack.com/cve/CVE-2017-7494"><img src="https://tridentstack.com/cve/badge/CVE-2017-7494.svg" alt="CVE-2017-7494"></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 2026-04-21.