# CVE-2017-7494: Samba Remote Code Execution Vulnerability

Source: https://junglewise.ai/threats/cve-2017-7494-samba-remote-code-execution-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2023-03-30. Updated: 2026-05-10  
License: CC BY 4.0 with a link back

CVE-2017-7494 · Severity: critical · CVSS 9.8 · Exploited in the wild · Published 2023-03-30

Samba is vulnerable to remote code execution when a malicious client uploads a shared library to a writable share. The server can then be coerced into loading and executing the library, allowing for full system compromise.

Technologies: [Samba](https://junglewise.ai/threats/technologies/samba). Vendors: [Samba](https://junglewise.ai/threats/vendors/samba).

## Quick answers

**Is CVE-2017-7494 exploited in the wild?** Yes. CVE-2017-7494 is known to be exploited in the wild, first recorded on 30 March 2023. Treat it as urgent.

**How severe is CVE-2017-7494?** Critical severity, with a CVSS score of 9.8, published 30 March 2023.

**Which products and versions are affected?** Samba Samba since 3.5.0 before 4.6.4, 4.5.10, and 4.4.14.

**Is there a fix for CVE-2017-7494?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2017-7494 attacked?** It is attacked over the network, in a software library.

**Am I affected by CVE-2017-7494?** Check whether you run Samba. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Samba Samba since 3.5.0 before 4.6.4, 4.5.10, and 4.4.14

## Timeline

- 2017-05-24: disclosed: Samba security advisory published
- 2023-03-30: kev added: Added to CISA Known Exploited Vulnerabilities Catalog

## Related threats

- [Samba access control bypass in vfs_ceph_rgw](https://junglewise.ai/threats/cve-2026-109411-an-access-control-bypass-flaw-was-found-in-samba-s-vfs-ceph-rgw)
- [A flaw was found in Samba's CTDB, the clustered database service used by Samba. Insufficient integrity validation of…](https://junglewise.ai/threats/cve-2026-58224-a-flaw-was-found-in-samba-s-ctdb-the-clustered-database-service)
- [Samba AD DC LDAP filter injection and ACL bypass in Compare requests](https://junglewise.ai/threats/cve-2026-58222-samba-ad-dc-ldap-filter-injection-and-acl-bypass-in-compare)
- [Samba KDC out-of-bounds read in kpasswd service](https://junglewise.ai/threats/cve-2026-58216-samba-kdc-out-of-bounds-read-in-kpasswd-service)
- [Samba internal DNS server denial of service via TKEY cache exhaustion](https://junglewise.ai/threats/cve-2026-58218-samba-internal-dns-server-denial-of-service-via-tkey-cache)
