CVE-1999-1043 — MEDIUM severity vulnerability (Microsoft Exchange Server 5.5 and 5.0 does not properly hand)
Microsoft Exchange Server 5.5 and 5.0 does not properly handle (1) malformed NNTP data, or (2) malformed SMTP data, which allows remote attackers to cause a denial of service (application error).
| CVE ID | CVE-1999-1043 |
|---|---|
| Severity | MEDIUM |
| CVSS score | 5.0 |
| CVSS vector | AV:N/AC:L/Au:N/C:N/I:N/A:P |
| CWE | NVD-CWE-noinfo |
| Status | Modified |
| Published | 1999-12-31 |
| Last modified | 2026-04-16 |
| Description | Microsoft Exchange Server 5.5 and 5.0 does not properly handle (1) malformed NNTP data, or (2) malformed SMTP data, which allows remote attackers to cause a denial of service (application error). |
| Source | NIST National Vulnerability Database |
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