CVE-2003-0533

NONECVSS 0.09.0▲
EchelonGraph scoreLOW confidence

Score elevated to 9.0 because EPSS predicts 89% probability of exploitation within the next 30 days (top 0.5% of all CVEs). Confidence: see factors.

Triggered by: EPSS exploit prediction ≥85%
Sources: epss
Weaponized
0.0
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
  • High exploitation likelihood — EPSS 86%
CISA-KEV: Not listedEPSS: 86%CVSS: —Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Stack-based buffer overflow in certain Active Directory service functions in LSASRV.DLL of the Local Security Authority Subsystem Service (LSASS) in Microsoft Windows NT 4.0 SP6a, 2000 SP2 through SP4, XP SP1, Server 2003, NetMeeting, Windows 98, and Windows ME, allows remote attackers to execute arbitrary code via a packet that causes the DsRolerUpgradeDownlevelServer function to create long debug entries for the DCPROMO.LOG log file, as exploited by the Sasser worm.

CVSS v3
—
EG Score
9.0(low)
EPSS
99.7%
KEV
Not listed

Published

June 1, 2004

Last Modified

June 16, 2026

References (24)

Data Freshness Timeline

(refreshed 0× in last 7d / 8× 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. 2026-07-06 02:19 UTCEPSS rescore
  2. 2026-06-23 21:29 UTCEPSS rescore
  3. 2026-06-21 01:56 UTCEPSS rescore
  4. 2026-06-17 17:49 UTCEPSS rescore
  5. 2026-06-17 17:49 UTCEPSS rescore
  6. 2026-06-15 17:43 UTCEPSS rescore
  7. 2026-06-14 23:13 UTCEPSS rescore
  8. 2026-06-14 23:13 UTCEPSS rescore
  9. 2026-06-13 22:56 UTCEPSS rescore
  10. 2026-06-10 22:13 UTCEPSS rescore
  11. 2026-06-08 14:13 UTCEPSS rescore
  12. 2026-06-05 22:43 UTCEPSS rescore
  13. 2026-06-05 22:43 UTCEPSS rescore
  14. 2026-06-02 20:10 UTCEPSS rescore
  15. 2026-06-01 13:49 UTCEPSS rescore
  16. 2026-06-01 13:49 UTCEPSS rescore
  17. 2026-05-31 16:16 UTCEG score recompute
  18. 2026-05-31 16:16 UTCGHSA enrichment
  19. 2026-05-28 13:42 UTCEPSS rescore
  20. 2026-05-28 13:42 UTCEPSS rescore
  21. 2026-05-28 13:42 UTCEPSS rescore
  22. 2026-05-24 16:42 UTCEPSS rescore
  23. 2026-05-22 21:15 UTCEPSS rescore
  24. 2026-05-20 22:36 UTCEPSS rescore
  25. 2026-05-20 11:20 UTCEPSS rescore
Show 3 more
  1. 2026-05-20 11:20 UTCEPSS rescore
  2. 2026-05-18 21:29 UTCEPSS rescore
  3. 2026-05-18 21:29 UTCEPSS rescore

Publicly available exploits

(4 references)

Working exploit code is in the public domain (1 Metasploit module) (3 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-16368✓ verified
    First seen Jul 3, 2010

    Microsoft LSASS Service - DsRolerUpgradeDownlevelServer Overflow (MS04-011) (Metasploit)

    Open source ↗
  • Exploit-DBEDB-295✓ verified
    First seen Apr 29, 2004

    Microsoft Windows XP/2000 - 'Lsasrv.dll' Remote Universal (MS04-011)

    Open source ↗
  • Exploit-DBEDB-293✓ verified
    First seen Apr 24, 2004

    Microsoft Windows - 'Lsasrv.dll' RPC Remote Buffer Overflow (MS04-011)

    Open source ↗
  • Metasploitexploit/windows/smb/ms04_011_lsass✓ verified
    First seen Apr 13, 2004

    MS04-011 Microsoft LSASS Service DsRolerUpgradeDownlevelServer Overflow

    Open source ↗

Frequently asked(4)

What is CVE-2003-0533?
CVE-2003-0533 is a none vulnerability published on June 1, 2004. Stack-based buffer overflow in certain Active Directory service functions in LSASRV.DLL of the Local Security Authority Subsystem Service (LSASS) in Microsoft Windows NT 4.0 SP6a, 2000 SP2 through SP4, XP SP1, Server 2003, NetMeeting, Windows 98, and Windows ME, allows remote attackers to execute…
When was CVE-2003-0533 disclosed?
CVE-2003-0533 was first published in the National Vulnerability Database on June 1, 2004, with the most recent update on June 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2003-0533 actively exploited?
CVE-2003-0533 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2003-0533?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2003-0533, 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.

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