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PatchSiren cyber security CVE debrief

CVE-2017-7494 Samba CVE debrief

CVE-2017-7494 is a Samba remote code execution vulnerability that CISA has placed in the Known Exploited Vulnerabilities catalog. The KEV entry indicates known exploitation and notes known ransomware campaign use, so this should be treated as an urgent remediation item rather than a routine patch. The supplied CISA feed instructs affected organizations to apply updates per vendor instructions.

Vendor
Samba
Product
Samba
CVSS
Unknown
CISA KEV
Listed
Original CVE published
2023-03-30
Original CVE updated
2023-03-30
Advisory published
2023-03-30
Advisory updated
2023-03-30

Who should care

Samba administrators, Linux/Unix platform teams, security operations, vulnerability management teams, and asset owners responsible for systems running Samba.

Technical summary

The supplied corpus identifies CVE-2017-7494 as a Samba remote code execution issue. CISA’s KEV catalog marks it as known exploited and records known ransomware campaign use. The authoritative remediation guidance in the KEV feed is to apply vendor updates. Because it is in KEV, exposure should be treated as active-risk and prioritized accordingly.

Defensive priority

Urgent

Recommended defensive actions

  • Apply Samba updates per the vendor instructions referenced by CISA.
  • Inventory systems running Samba and confirm which assets are affected or externally reachable.
  • Prioritize remediation ahead of the CISA KEV due date of 2023-04-20.
  • Verify remediation by confirming the installed Samba version matches vendor guidance.
  • Monitor affected hosts for unexpected service behavior, unauthorized access, or other signs of compromise.

Evidence notes

CISA’s Known Exploited Vulnerabilities feed lists this issue as CVE-2017-7494 / Samba Remote Code Execution Vulnerability. The feed records known ransomware campaign use and directs organizations to apply updates per vendor instructions. The supplied timeline fields show KEV dateAdded 2023-03-30 and dueDate 2023-04-20; those dates describe KEV handling, not the original vulnerability disclosure date. For deeper product-specific detail, consult the official CVE and NVD records.

Official resources

CISA added CVE-2017-7494 to its Known Exploited Vulnerabilities catalog on 2023-03-30 and set a remediation due date of 2023-04-20. The supplied corpus identifies known ransomware campaign use.