CVE-2017-7494 KEV EXPLOIT
9.8
CRITICAL · CVSS 3.1 · EPSS 99.4% (pctl 100)
Patch first
On CISA KEV — known exploited in the wild, due 2023-04-20.
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 99.45% — more likely to be exploited than 100% of all CVEs |
| Weakness | CWE-94 |
| On CISA KEV | yes — remediate by 2023-04-20 |
| Public exploit | yes |
| Published | 2017-05-30 |
| Last modified | 2026-06-17 |
CISA KEV
| Name | Samba Remote Code Execution Vulnerability |
|---|---|
| Added | 2023-03-30 |
| Due | 2023-04-20 |
| Vendor / product | Samba / Samba |
| Ransomware use | known |
Affected (2)
| Vendor | Product |
|---|---|
| debian | debian linux |
| samba | samba |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Samba 3.5.0 < 4.4.14/4.5.10/4.6.4 - 'is_known_pipename()' Arbitrary Module Load (Metasploit) | 2017-05-29 |
| exploit-db | Samba 3.5.0 - Remote Code Execution | 2017-05-24 |
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
- 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
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