CVE-1999-1504

Exp

Stalker Internet Mail Server 1.6 allows a remote attacker to cause a denial of service (crash) via a long HELO command.

Published: 1998-04-08 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-1999-1504 is rated High Exploit Risk (61/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.46%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: 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-1999-1504

EDB-ID Source Kind Published Link
19047 exploit_db edb 2001-09-12 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-1999-1504

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 5.30% 2.46% -2.84%
2 2025-07-14 3.52% 5.30% +1.78%
3 2025-03-30 3.52%

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-1999-1504

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-1999-1504

Affected software / configurations for CVE-1999-1504

Vendor Product Version Raw CPE
stalker stalker_internet_mail_server 1.6 cpe:2.3:a:stalker:stalker_internet_mail_server:1.6:*:*:*:*:*:*:*

References for CVE-1999-1504

cvelogic Threat Intelligence