MEDIUM
The HTTP server in Cisco IOS 12.0 through 12.1 allows local users to cause a denial of service (crash and reload) via a URL containing a "?/" string
Published Jan 22, 2001
5.0
MEDIUMCVSS 2.0
EPSS 4.29%
Description
The HTTP server in Cisco IOS 12.0 through 12.1 allows local users to cause a denial of service (crash and reload) via a URL containing a "?/" string.
Affected products
No data.
OR
- 12.0t
- 12.0w5
- 12.0xa
- 12.0xe
- 12.0xh
- 12.0xj
- 12.1aa
- 12.1da
- 12.1db
- 12.1dc
- 12.1ec
- 12.1t
- 12.1xa
- 12.1xb
- 12.1xc
- 12.1xd
- 12.1xe
- 12.1xf
- 12.1xg
- 12.1xh
- 12.1xi
- 12.1xj
- 12.1xl
- 12.1xp
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.
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
4.29% 0.04295
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.04295
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 | 4.29% (0.04295) | 90.82th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.92% (0.03916) | 88.92th | v5 (v2026.06.15) |
| Oct 26, 2025 | 40.36% (0.40356) | 97.17th | v4 (v2025.03.14) |
| Oct 19, 2025 | 27.81% (0.27806) | 96.20th | v4 (v2025.03.14) |
| Mar 30, 2025 | 30.36% (0.30359) | 96.30th | v4 (v2025.03.14) |
| Mar 29, 2025 | 33.78% (0.33776) | 95.25th | v4 (v2025.03.14) |
| Mar 17, 2025 | 30.36% (0.30359) | 96.30th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00043) | 11.52th | v3 (v2023.03.01) |
| Jun 12, 2024 | 0.04% (0.00043) | 9.60th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00043) | 7.57th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.76% (0.01761) | 76.53th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.76% (0.01761) | 76.48th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.76% (0.01761) | 74.44th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.76% (0.01761) | 53.69th | v2 (v2022.01.01) |
Weaknesses (0)
No CWE recorded.
References (3)
- http://www.cisco.com/warp/public/707/ioshttpserverquery-pub.shtml vendor-advisoryx_refsource_CISCOPatchVendor Advisory
- http://www.securityfocus.com/bid/1838 vdb-entryx_refsource_BIDExploitPatchVendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/5412 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://www.cisco.com/warp/public/707/ioshttpserverquery-pub.shtml | vendor-advisoryx_refsource_CISCOPatchVendor Advisory | |
| http://www.securityfocus.com/bid/1838 | vdb-entryx_refsource_BIDExploitPatchVendor Advisory | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/5412 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Jan 22, 2001
Updated Aug 8, 2024
Reserved Nov 24, 2000
Link CVE-2000-0984
CISA Vulnrichment
Updated n/a