CRITICAL
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
Published Feb 10, 2005
9.8
CRITICALCVSS 3.1
EPSS 2.64%
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.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
9.8 CRITICAL NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
No CVSS v3.0 score for this CVE.
7.5 HIGH NVD
AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
2.64% 0.02639
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.02639
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.64% (0.02639) | 85.03th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.64% (0.02639) | 83.54th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.76% (0.01763) | 80.93th | v4 (v2025.03.14) |
| Mar 29, 2025 | 3.47% (0.03470) | 79.02th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.99% (0.01993) | 82.43th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.40% (0.00400) | 74.44th | v3 (v2023.03.01) |
| Feb 27, 2024 | 0.40% (0.00400) | 72.98th | v3 (v2023.03.01) |
| Feb 2, 2024 | 0.40% (0.00400) | 70.98th | v3 (v2023.03.01) |
| Jan 18, 2024 | 0.69% (0.00694) | 78.09th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.75% (0.00750) | 78.08th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 17, 2023 | 1.21% (0.01213) | 66.22th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.21% (0.01213) | 64.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
Weaknesses (1)
References (4)
- http://marc.info/?l=bugtraq&m=110477648219738&w=2 mailing-listx_refsource_BUGTRAQExploitMailing List
- http://secunia.com/advisories/13711 third-party-advisoryx_refsource_SECUNIABroken Link
- http://www.securityfocus.com/bid/12149 vdb-entryx_refsource_BIDBroken LinkThird Party AdvisoryVDB Entry
- https://exchange.xforce.ibmcloud.com/vulnerabilities/18729 vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| http://marc.info/?l=bugtraq&m=110477648219738&w=2 | mailing-listx_refsource_BUGTRAQExploitMailing List | |
| http://secunia.com/advisories/13711 | third-party-advisoryx_refsource_SECUNIABroken Link | |
| http://www.securityfocus.com/bid/12149 | vdb-entryx_refsource_BIDBroken LinkThird Party AdvisoryVDB Entry | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/18729 | vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Feb 10, 2005
Updated Aug 7, 2024
Reserved Feb 10, 2005
Link CVE-2005-0269
CISA Vulnrichment
Updated n/a