CVE-2003-0533

CVE-2003-0533 is a high-severity vulnerability in Microsoft Netmeeting with a CVSS 2.0 base score of 7.5. Its EPSS exploit-prediction score of 86% places it in the 100th percentile, indicating an elevated likelihood of exploitation.

Key facts

Description

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.

Frequently asked questions

What is CVE-2003-0533?
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.
How severe is CVE-2003-0533?
CVE-2003-0533 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2003-0533 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 86% (100th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-0533?
CVE-2003-0533 primarily affects Microsoft Netmeeting. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2003-0533?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2003-0533 published?
CVE-2003-0533 was published on 2004-06-01 and last updated on 2026-06-16.

References

Affected products (8)

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