Un-CGI 1.9 and earlier does not verify that a CGI script has the execution bits set before executing it, which allows remote attackers to execute arbitrary commands by directing Un-CGI to a document that begins with "#!" and the desired program name
Published May 3, 2002
7.5
HIGHCVSS 2.0
EPSS 3.87%
Description
Un-CGI 1.9 and earlier does not verify that a CGI script has the execution bits set before executing it, which allows remote attackers to execute arbitrary commands by directing Un-CGI to a document that begins with "#!" and the desired program name.
Affected products
No data.
- 1.0
- 1.1
- 1.2
- 1.3
- 1.4
- 1.5
- 1.6
- 1.6.1
- 1.6.2
- 1.7
- 1.8
- 1.9
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
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 (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.87% (0.03870) | 89.87th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.87% (0.03870) | 88.80th | v5 (v2026.06.15) |
| Mar 17, 2025 | 2.96% (0.02963) | 85.58th | v4 (v2025.03.14) |
| Dec 12, 2024 | 6.89% (0.06895) | 94.18th | v3 (v2023.03.01) |
| Sep 11, 2023 | 6.89% (0.06895) | 93.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 8.03% (0.08031) | 93.24th | v3 (v2023.03.01) |
| Mar 6, 2023 | 7.78% (0.07777) | 93.24th | v2 (v2022.01.01) |
| Apr 1, 2022 | 7.78% (0.07777) | 92.60th | v2 (v2022.01.01) |
| Feb 4, 2022 | 7.78% (0.07777) | 81.54th | v2 (v2022.01.01) |
No CWE recorded.
References (6)
- http://archives.neohapsis.com/archives/bugtraq/2001-07/0287.html mailing-listx_refsource_BUGTRAQ
- http://archives.neohapsis.com/archives/bugtraq/2001-07/0349.html mailing-listx_refsource_BUGTRAQ
- http://www.iss.net/security_center/static/6847.php vdb-entryx_refsource_XFPatchVendor Advisory
- http://www.midwinter.com/~koreth/uncgi-changes.html x_refsource_CONFIRM
- http://www.midwinter.com/~koreth/uncgi.html x_refsource_CONFIRM
- http://www.securityfocus.com/bid/3057 vdb-entryx_refsource_BID
| Link | Providers | Tags |
|---|---|---|
| http://archives.neohapsis.com/archives/bugtraq/2001-07/0287.html | mailing-listx_refsource_BUGTRAQ | |
| http://archives.neohapsis.com/archives/bugtraq/2001-07/0349.html | mailing-listx_refsource_BUGTRAQ | |
| http://www.iss.net/security_center/static/6847.php | vdb-entryx_refsource_XFPatchVendor Advisory | |
| http://www.midwinter.com/~koreth/uncgi-changes.html | x_refsource_CONFIRM | |
| http://www.midwinter.com/~koreth/uncgi.html | x_refsource_CONFIRM | |
| http://www.securityfocus.com/bid/3057 | vdb-entryx_refsource_BID |
Change history (0)
No recorded changes yet.