How severe is CVE-2005-0269?

CVE-2005-0269 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2005-0269 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2005-0269?

CVE-2005-0269 affects Sir Gnuboard. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2005-0269?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2005-0269 published?

CVE-2005-0269 was published on 2005-05-02 and last updated on 2026-06-16.

CVE-2005-0269

CVE-2005-0269 is a critical-severity vulnerability in Sir Gnuboard with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-178.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-178
Affected product: Sir Gnuboard
Published: 2005-05-02
Last modified: 2026-06-16

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.

Frequently asked questions

What is CVE-2005-0269?: 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.
How severe is CVE-2005-0269?: CVE-2005-0269 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2005-0269 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-0269?: CVE-2005-0269 affects Sir Gnuboard. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2005-0269?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2005-0269 published?: CVE-2005-0269 was published on 2005-05-02 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:sir:gnuboard:*:*:*:*:*:*:*:*

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