CVE-2003-0400

Exp

Vignette StoryServer and Vignette V/5 does not properly calculate the size of text variables, which causes Vignette to return unauthorized portions of memory, as demonstrated using the "-->" string in a CookieName argument to the login template, referred to as a "memory leak" in some reports.

Published: 2003-06-30 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2003-0400 is rated High Exploit Risk (64.1/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 3.50%). Core evidence: 3 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-2003-0400

EDB-ID Source Kind Published Link
22646 exploit_db edb 2003-05-26 Exploit-DB ↗
22472 exploit_db edb 2003-04-07 Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2003-0400

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 5.11% 3.50% -1.61%
2 2026-01-31 2.43% 5.11% +2.68%
3 2025-05-21 2.43%

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2003-0400

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:P/I:N/A:N 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:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
10.0 2.9 [email protected]

Weakness enumeration for CVE-2003-0400

Affected software / configurations for CVE-2003-0400

Vendor Product Version Raw CPE
vignette content_suite 6.0 cpe:2.3:a:vignette:content_suite:6.0:*:*:*:*:*:*:*
vignette storyserver 4.0 cpe:2.3:a:vignette:storyserver:4.0:*:*:*:*:*:*:*
vignette storyserver 4.1 cpe:2.3:a:vignette:storyserver:4.1:*:*:*:*:*:*:*
vignette storyserver 4.2 cpe:2.3:a:vignette:storyserver:4.2:*:*:*:*:*:*:*
vignette storyserver 5.0 cpe:2.3:a:vignette:storyserver:5.0:*:*:*:*:*:*:*
vignette vignette 5.0 cpe:2.3:a:vignette:vignette:5.0:*:*:*:*:*:*:*

References for CVE-2003-0400

cvelogic Threat Intelligence