CVE-2017-7494

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Summary

CVECVE-2017-7494
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2017-05-30 18:29:00 UTC
Updated2026-04-21 19:36:42 UTC
DescriptionSamba 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.

Risk And Classification

Primary CVSS: v3.1 9.8 CRITICAL from [email protected]

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

EPSS: 0.994480000 probability, percentile 0.999380000 (date 2026-07-21)

CISA KEV: Listed on 2023-03-30; due 2023-04-20; ransomware use Known

Problem Types: CWE-94 | remote code execution | CWE-94 CWE-94 Improper Control of Generation of Code ('Code Injection')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1ADPDECLARED9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
2.0[email protected]Primary10AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete

AV:N/AC:L/Au:N/C:C/I:C/A:C

CISA Known Exploited Vulnerability

VendorSamba
ProductSamba
NameSamba Remote Code Execution Vulnerability
Required ActionApply updates per vendor instructions.
Noteshttps://www.samba.org/samba/security/CVE-2017-7494.html; https://nvd.nist.gov/vuln/detail/CVE-2017-7494

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Samba Samba All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Samba Samba affected since 3.5.0 Not specified

References

ReferenceSourceLinkTags
Schneider Electric af854a3a-2127-422b-91ae-364da2661108 download.schneider-electric.com Third Party Advisory
Samba CVE-2017-7494 Remote Code Execution Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Third Party Advisory, VDB Entry
Samba - Security Announcement Archive af854a3a-2127-422b-91ae-364da2661108 www.samba.org Patch, Vendor Advisory
www.cisa.gov/known-exploited-vulnerabilities-catalog 134c704f-9b21-4f2e-91b3-4a467353bcc0 www.cisa.gov US Government Resource
Samba 3.5.0 - Remote Code Execution af854a3a-2127-422b-91ae-364da2661108 www.exploit-db.com Third Party Advisory, VDB Entry
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 access.redhat.com Third Party Advisory
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 access.redhat.com Third Party Advisory
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 access.redhat.com Third Party Advisory
Document Display | HPE Support Center af854a3a-2127-422b-91ae-364da2661108 h20566.www2.hpe.com Third Party Advisory
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 access.redhat.com Third Party Advisory
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 access.redhat.com Third Party Advisory
HPE Support document - HPE Support Center af854a3a-2127-422b-91ae-364da2661108 h20566.www2.hpe.com Third Party Advisory
Samba smbd Named Pipe Validation Flaw Lets Remote Authenticated Users Execute Arbitrary Code on the Target System - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com Third Party Advisory, VDB Entry
Samba: Multiple vulnerabilities (GLSA 201805-07) — Gentoo Security af854a3a-2127-422b-91ae-364da2661108 security.gentoo.org Third Party Advisory
Samba 3.5.0 < 4.4.14/4.5.10/4.6.4 - 'is_known_pipename()' Arbitrary Module Load (Metasploit) - Linux remote Exploit af854a3a-2127-422b-91ae-364da2661108 www.exploit-db.com Third Party Advisory, VDB Entry
Debian -- Security Information -- DSA-3860-1 samba af854a3a-2127-422b-91ae-364da2661108 www.debian.org Third Party Advisory
CVE-2017-7494 Samba Remote Code Execution Vulnerability in StorageGRID Products | NetApp Product Security af854a3a-2127-422b-91ae-364da2661108 security.netapp.com Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
CISA Known Exploited Vulnerabilities catalog CISA www.cisa.gov kev

Additional Advisory Data

SourceTimeEvent
ADP2023-03-30T00:00:00.000ZCVE-2017-7494 added to CISA KEV

Legacy QID Mappings

  • 378175 Virtuozzo Linux Security Update for samba4-common (VZLSA-2017:1271)
  • 378209 Virtuozzo Linux Security Update for samba-domainjoin-gui (VZLSA-2017:1270)

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