CVE-2007-2447

NONECVSS 0.0Weaponized
0.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • No confirmed exploitation signals yet
CISA-KEV: Not listedEPSS: 50%CVSS: —Exploit: NoneExposed: 0

A fix is available — apply it.

The MS-RPC functionality in smbd in Samba 3.0.0 through 3.0.25rc3 allows remote attackers to execute arbitrary commands via shell metacharacters involving the (1) SamrChangePassword function, when the "username map script" smb.conf option is enabled, and allows remote authenticated users to execute commands via shell metacharacters involving other MS-RPC functions in the (2) remote printer and (3) file share management.

CVSS v3
—
EG Score
0.0(none)
EPSS
98.8%
KEV
Not listed

Published

May 14, 2007

Last Modified

April 23, 2026

References (111)

Patch Availability(2)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntusamba (3.0.24-2ubuntu1.1) @ feisty2026-05-31ubuntu
redhatsamba-0:3.0.23c-2.el5.2.0.22007-05-14redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

All Vendor Advisories

(2)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 4× in last 7d / 29× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-13 22:25 UTCEPSS rescore
  2. 2026-07-13 06:07 UTCEPSS rescore
  3. 2026-07-13 06:07 UTCEPSS rescore
  4. 2026-07-08 12:35 UTCOSV refresh
  5. 2026-07-05 02:26 UTCEPSS rescore
  6. 2026-07-02 14:00 UTCEPSS rescore
  7. 2026-07-01 15:02 UTCEPSS rescore
  8. 2026-07-01 15:02 UTCEPSS rescore
  9. 2026-06-30 23:18 UTCEPSS rescore
  10. 2026-06-29 14:02 UTCEPSS rescore
  11. 2026-06-29 14:02 UTCEPSS rescore
  12. 2026-06-28 04:52 UTCEPSS rescore
  13. 2026-06-25 13:46 UTCEPSS rescore
  14. 2026-06-25 13:46 UTCEPSS rescore
  15. 2026-06-24 14:02 UTCEPSS rescore
  16. 2026-06-24 14:01 UTCEPSS rescore
  17. 2026-06-23 21:29 UTCEPSS rescore
  18. 2026-06-23 21:29 UTCEPSS rescore
  19. 2026-06-21 01:56 UTCEPSS rescore
  20. 2026-06-21 01:56 UTCEPSS rescore
  21. 2026-06-21 01:56 UTCEPSS rescore
  22. 2026-06-20 00:09 UTCOSV refresh
  23. 2026-06-18 17:49 UTCEPSS rescore
  24. 2026-06-18 17:49 UTCEPSS rescore
  25. 2026-06-17 17:49 UTCEPSS rescore
Show 42 more
  1. 2026-06-17 17:49 UTCEPSS rescore
  2. 2026-06-16 17:49 UTCEPSS rescore
  3. 2026-06-16 17:49 UTCEPSS rescore
  4. 2026-06-15 17:44 UTCEPSS rescore
  5. 2026-06-12 23:08 UTCEPSS rescore
  6. 2026-06-08 14:13 UTCEPSS rescore
  7. 2026-06-06 13:44 UTCEPSS rescore
  8. 2026-06-06 13:44 UTCEPSS rescore
  9. 2026-06-05 22:44 UTCEPSS rescore
  10. 2026-06-05 22:44 UTCEPSS rescore
  11. 2026-06-05 06:07 UTCEPSS rescore
  12. 2026-06-04 13:09 UTCEPSS rescore
  13. 2026-06-04 13:09 UTCEPSS rescore
  14. 2026-06-02 20:10 UTCEPSS rescore
  15. 2026-06-02 20:10 UTCEPSS rescore
  16. 2026-06-01 13:49 UTCEPSS rescore
  17. 2026-06-01 13:49 UTCEPSS rescore
  18. 2026-05-31 22:28 UTCEPSS rescore
  19. 2026-05-31 22:28 UTCEPSS rescore
  20. 2026-05-31 02:44 UTCEG score recompute
  21. 2026-05-31 02:44 UTCVendor advisory
  22. 2026-05-31 02:44 UTCGHSA enrichment
  23. 2026-05-31 00:13 UTCEPSS rescore
  24. 2026-05-31 00:13 UTCEPSS rescore
  25. 2026-05-29 13:40 UTCEPSS rescore
  26. 2026-05-28 13:42 UTCEPSS rescore
  27. 2026-05-28 13:42 UTCEPSS rescore
  28. 2026-05-27 13:37 UTCEPSS rescore
  29. 2026-05-27 13:37 UTCEPSS rescore
  30. 2026-05-26 13:41 UTCEPSS rescore
  31. 2026-05-26 13:41 UTCEPSS rescore
  32. 2026-05-26 07:16 UTCEPSS rescore
  33. 2026-05-26 07:16 UTCEPSS rescore
  34. 2026-05-26 07:16 UTCEPSS rescore
  35. 2026-05-24 16:42 UTCEPSS rescore
  36. 2026-05-24 16:42 UTCOSV refresh
  37. 2026-05-22 21:15 UTCEPSS rescore
  38. 2026-05-22 21:15 UTCEPSS rescore
  39. 2026-05-22 21:15 UTCEPSS rescore
  40. 2026-05-20 22:36 UTCEPSS rescore
  41. 2026-05-18 21:29 UTCEPSS rescore
  42. 2026-05-18 21:29 UTCEPSS rescore

Publicly available exploits

(8 references)

Working exploit code is in the public domain (1 Metasploit module) (6 GitHub PoCs) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCh3x0v3rl0rd/CVE-2007-2447
    First seen Oct 25, 2022

    Exploit Samba smbd 3.0.20-Debian

    Open source ↗
  • GitHub PoCxbufu/CVE-2007-2447
    First seen Oct 3, 2021

    Exploit code for CVE-2007-2447 written in Python3.

    Open source ↗
  • GitHub PoCAlien0ne/CVE-2007-2447
    First seen Jun 30, 2021

    CVE-2007-2447 - Samba usermap script

    Open source ↗
  • GitHub PoCZiemni/CVE-2007-2447-in-Python
    First seen Feb 22, 2021

    Python implementation of 'Username' map script' RCE Exploit for Samba 3.0.20 < 3.0.25rc3 (CVE-2007-2447).

    Open source ↗
  • GitHub PoCUnix13/metasploitable2
    First seen Jul 5, 2019

    PHP-CGI-REMOTE_CVE-2012-1823, UnrealIRCd, MySQL, PostgreSQL and SSH bruteforce, VSFTPD2.3.4, samba CVE-2007-2447, JAVA RMI Server, distcc daemon, misconfigured NFS files, etc.

    Open source ↗
  • GitHub PoCamriunix/CVE-2007-2447
    First seen Aug 3, 2018

    CVE-2007-2447 - Samba usermap script

    Open source ↗
  • Exploit-DBEDB-16320✓ verified
    First seen Aug 18, 2010

    Samba 3.0.20 < 3.0.25rc3 - 'Username' map script' Command Execution (Metasploit)

    Open source ↗
  • Metasploitexploit/multi/samba/usermap_script✓ verified
    First seen May 14, 2007

    Samba "username map script" Command Execution

    Open source ↗

Frequently asked(4)

What is CVE-2007-2447?
CVE-2007-2447 is a none vulnerability published on May 14, 2007. The MS-RPC functionality in smbd in Samba 3.0.0 through 3.0.25rc3 allows remote attackers to execute arbitrary commands via shell metacharacters involving the (1) SamrChangePassword function, when the "username map script" smb.conf option is enabled, and allows remote authenticated users to execute…
When was CVE-2007-2447 disclosed?
CVE-2007-2447 was first published in the National Vulnerability Database on May 14, 2007, with the most recent update on April 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2007-2447 actively exploited?
CVE-2007-2447 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 98.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2007-2447?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2007-2447, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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