CVE-2017-7494
CRITICALCISA KEVEPSS 100th pctlDescription
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.
CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploit Intelligence
Very high risk: more likely to be exploited than 100% of all known CVEs.
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
- http://www.debian.org/security/2017/dsa-3860
- http://www.securityfocus.com/bid/98636
- http://www.securitytracker.com/id/1038552
- https://access.redhat.com/errata/RHSA-2017:1270
- https://access.redhat.com/errata/RHSA-2017:1271
- https://access.redhat.com/errata/RHSA-2017:1272
- https://access.redhat.com/errata/RHSA-2017:1273
- https://access.redhat.com/errata/RHSA-2017:1390
- https://download.schneider-electric.com/files?p_enDocType=Technical+leaflet&p_File_Name=SEVD-2018-095-01+Security+Notification+Umotion+V1.1.pdf&p_Doc_Ref=SEVD-2018-095-01
- https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbns03755en_us
- https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03759en_us
- https://security.gentoo.org/glsa/201805-07
- https://security.netapp.com/advisory/ntap-20170524-0001/
- https://www.exploit-db.com/exploits/42060/
- https://www.exploit-db.com/exploits/42084/
- https://www.samba.org/samba/security/CVE-2017-7494.html
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-7494
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Start freeThis 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.