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CVE-2017-7494
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…
Critical9.8Known exploitedEPSS 99.4%
- Published
- Updated
- Reserved
- Assigned by
- redhat
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.
Exploited in the wild
CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog as Samba Remote Code Execution Vulnerability.
- Added
- 30 Mar 2023
- Fix due (US federal)
- 20 Apr 2023
- Used by ransomware
- Known
Apply updates per vendor instructions.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Analyzed | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 99.4% · top 0.1% of all CVEs (3 Nov 2026)
- CISA SSVC
- Exploitation: active · Automatable: yes · Technical impact: total
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Weakness
Affected products
Samba · samba
- affected since 3.5.0
References (17)
- 98636 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- DSA-3860 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- 42084 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- RHSA-2017:1270 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- https://www.samba.org/samba/security/CVE-2017-7494.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- 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 (opens in a new tab)x_refsource_MISCx_transferred
- RHSA-2017:1390 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 1038552 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- RHSA-2017:1273 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2017:1271 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- GLSA-201805-07 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03759en_us (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2017:1272 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- https://security.netapp.com/advisory/ntap-20170524-0001/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbns03755en_us (opens in a new tab)x_refsource_CONFIRMx_transferred
- 42060 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-7494 (opens in a new tab)government-resource
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- CISA KEV catalog (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .