CVE-2003-0280

Exp

Multiple buffer overflows in the SMTP Service for ESMTP CMailServer 4.0.2003.03.27 allow remote attackers to execute arbitrary code via long (1) MAIL FROM or (2) RCPT TO commands.

Published: 2003-06-16 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2003-0280 is rated High Exploit Risk (82.5/100): CVSS Critical severity, with high exploitation likelihood (EPSS 11.15%, 93th percentile). 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-2003-0280

EDB-ID Source Kind Published Link
22581 exploit_db edb 2003-05-10 Exploit-DB ↗
22582 exploit_db edb 2003-05-10 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2003-0280

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 2025-03-30 20.42% 11.15% -9.27%
2 2025-03-29 11.15% 20.42% +9.27%
3 2025-03-17 — 11.15% —

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2003-0280

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C 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:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 10.0 10.0 [email protected]

Weakness enumeration for CVE-2003-0280

Affected software / configurations for CVE-2003-0280

Vendor Product Version Raw CPE
youngzsoft cmailserver 4.0.2003.23.27 cpe:2.3:a:youngzsoft:cmailserver:4.0.2003.23.27:*:*:*:*:*:*:*

References for CVE-2003-0280

cvelogic Threat Intelligence