CVE-2003-0714

Exp

The Internet Mail Service in Exchange Server 5.5 and Exchange 2000 allows remote attackers to cause a denial of service (memory exhaustion) by directly connecting to the SMTP service and sending a certain extended verb request, possibly triggering a buffer overflow in Exchange 2000.

Published: 2003-11-17 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2003-0714 is rated High Exploit Risk (80.6/100): CVSS High severity, with high exploitation likelihood (EPSS 67.00%, 98th percentile). 3 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.12% over the last day, indicating growing attacker interest. 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-2003-0714

EDB-ID Source Kind Published Link
16820 exploit_db edb 2010-11-11 Exploit-DB ↗
113 exploit_db edb 2003-10-22 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2003-0714

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 2025-12-28 65.88% 67.00% +1.12%
2 2025-12-27 67.00% 65.88% -1.12%
3 2025-12-13 — 67.00% —

Full EPSS history (17 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2003-0714

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/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:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2003-0714

Affected software / configurations for CVE-2003-0714

Vendor Product Version Raw CPE
microsoft exchange_server 5.5 cpe:2.3:a:microsoft:exchange_server:5.5:-:*:*:*:*:*:*
microsoft exchange_server 5.5 cpe:2.3:a:microsoft:exchange_server:5.5:sp1:*:*:*:*:*:*
microsoft exchange_server 5.5 cpe:2.3:a:microsoft:exchange_server:5.5:sp2:*:*:*:*:*:*
microsoft exchange_server 5.5 cpe:2.3:a:microsoft:exchange_server:5.5:sp3:*:*:*:*:*:*
microsoft exchange_server 5.5 cpe:2.3:a:microsoft:exchange_server:5.5:sp4:*:*:*:*:*:*
microsoft exchange_server 2000 cpe:2.3:a:microsoft:exchange_server:2000:-:*:*:*:*:*:*
microsoft exchange_server 2000 cpe:2.3:a:microsoft:exchange_server:2000:sp1:*:*:*:*:*:*
microsoft exchange_server 2000 cpe:2.3:a:microsoft:exchange_server:2000:sp2:*:*:*:*:*:*
microsoft exchange_server 2000 cpe:2.3:a:microsoft:exchange_server:2000:sp3:*:*:*:*:*:*

References for CVE-2003-0714

URL Tags
http://marc.info/?l=bugtraq&m=106682909006586&w=2 Mailing List Third Party Advisory
http://www.cert.org/advisories/CA-2003-27.html Third Party Advisory US Government Resource
http://www.kb.cert.org/vuls/id/422156 Patch Third Party Advisory US Government Resource
http://www.securityfocus.com/bid/8838 Exploit Patch Third Party Advisory VDB Entry
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2003/ms03-046 Patch Vendor Advisory
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