CVE & CISA-KEV Catalog

CVE-2005-0269

CRITICALEPSS 84th pctl
9.8
CVSS v3
NVD

Description

The file extension check in GNUBoard 3.40 and earlier only verifies extensions that contain all lowercase letters, which allows remote attackers to upload arbitrary files via file extensions that include uppercase letters.

CWE-178

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

2.64%probability of exploitation in 30 days
84thpercentile

Elevated risk: more likely to be exploited than 84% of all known CVEs.

References

Exploit1
Other references1
Embed a live status badge for CVE-2005-0269
CVE-2005-0269 severity badge

Markdown

[![CVE-2005-0269](https://tridentstack.com/cve/badge/CVE-2005-0269.svg)](https://tridentstack.com/cve/CVE-2005-0269)

HTML

<a href="https://tridentstack.com/cve/CVE-2005-0269"><img src="https://tridentstack.com/cve/badge/CVE-2005-0269.svg" alt="CVE-2005-0269"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-16.