CVE-1999-1532

Exp

Netscape Messaging Server 3.54, 3.55, and 3.6 allows a remote attacker to cause a denial of service (memory exhaustion) via a series of long RCPT TO commands.

Published: 1999-10-29 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-1999-1532 is rated Exploit Available (59.1/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.46%). 2 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-1999-1532

EDB-ID Source Kind Published Link
19571 exploit_db edb 1999-10-28 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-1999-1532

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 7.11% 2.46% -4.65%
2 2026-01-10 4.02% 7.11% +3.09%
3 2025-03-30 — 4.02% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-1999-1532

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-1999-1532

Affected software / configurations for CVE-1999-1532

Vendor Product Version Raw CPE
netscape messaging_server 3.6 cpe:2.3:a:netscape:messaging_server:3.6:*:*:*:*:*:*:*
netscape messaging_server 3.54 cpe:2.3:a:netscape:messaging_server:3.54:*:*:*:*:*:*:*
netscape messaging_server 3.55 cpe:2.3:a:netscape:messaging_server:3.55:*:*:*:*:*:*:*

References for CVE-1999-1532

cvelogic Threat Intelligence