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Fencer Vulns
medium 5.0

CVE-2003-0400 json

Vignette StoryServer and Vignette V/5 does not properly calculate the size of text variables, which causes Vignette to return unauthorized…

published 2003-06-11 23 y ago modified 2026-06-16 4 mo ago also EUVD-2003-0394

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.5%
EPSS 3.5% chance of exploitation in 30 days, percentile 89%
public exploits
2
Exploit-DB

Summary

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.

Patch / fix

Timeline

  1. First public exploit (EDB-22472)
  2. Published

Exploit prediction

3.50% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-22646 Vignette 4.x/5.0 - Memory Disclosure remote, 2003-05-26
  • EDB-22472 Vignette StoryServer 4.1 - Sensitive Stack Memory Information Disclosure remote, 2003-04-07
  • securityfocus.com http://www.securityfocus.com/bid/7684 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.