CVE-2001-0543
Memory leak in NNTP service in Windows NT 4.0 and Windows 2000 allows remote attackers to cause a...
Memory leak in NNTP service in Windows NT 4.0 and Windows 2000 allows remote attackers to cause a denial of service (memory exhaustion) via a large number of malformed posts.
Exploit likelihood
What each source reports
NVD Score used
Memory leak in NNTP service in Windows NT 4.0 and Windows 2000 allows remote attackers to cause a denial of service (memory exhaustion) via a large number of malformed posts.
- Record
CVE-2001-0543- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-401
- Updated
- 2026-11-02
CVE List No score
Memory leak in NNTP service in Windows NT 4.0 and Windows 2000 allows remote attackers to cause a denial of service (memory exhaustion) via a large number of malformed posts.
- Record
CVE-2001-0543- Updated
- 2026-11-02
EUVDEUVD-2001-0535 No score
Memory leak in NNTP service in Windows NT 4.0 and Windows 2000 allows remote attackers to cause a denial of service (memory exhaustion) via a large number of malformed posts.
- Record
EUVD-2001-0535- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-3hq4-xvv4-32rv No score
Memory leak in NNTP service in Windows NT 4.0 and Windows 2000 allows remote attackers to cause a...
Memory leak in NNTP service in Windows NT 4.0 and Windows 2000 allows remote attackers to cause a denial of service (memory exhaustion) via a large number of malformed posts.
- Record
GHSA-3hq4-xvv4-32rv- Weakness
- CWE-401
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2001-0543 is a medium vulnerability (CVSS 5.0) in Microsoft Windows 2000, published September 20, 2001. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 18.8%, the 97th percentile. No source names a fixed version.
References
exchange.xforce.ibmcloud.com/vulnerabilities/6977
securityfocus.com/bid/3183
docs.microsoft.com/en-us/security-updates/securitybulletins/2001/ms01-043
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A334
nvd.nist.gov/vuln/detail/CVE-2001-0543
github.com/advisories/GHSA-3hq4-xvv4-32rv