HIGH
FTP service in IIS 5.0 and earlier allows remote attackers to cause a denial of service via a wildcard sequence that generates a long string when it is expanded
Published Sep 18, 2001
7.5
HIGHCVSS 3.1
EPSS 14.72%
Description
FTP service in IIS 5.0 and earlier allows remote attackers to cause a denial of service via a wildcard sequence that generates a long string when it is expanded.
Affected products
No data.
- ≤ 5.0
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.
7.5 HIGH NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
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.
14.72% 0.14724
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.14724
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 (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 14.72% (0.14724) | 96.58th | v5 (v2026.06.15) |
| Jun 15, 2026 | 14.72% (0.14724) | 96.23th | v5 (v2026.06.15) |
| Oct 17, 2025 | 30.56% (0.30559) | 96.47th | v4 (v2025.03.14) |
| Apr 10, 2025 | 25.08% (0.25077) | 95.74th | v4 (v2025.03.14) |
| Mar 30, 2025 | 30.56% (0.30559) | 96.31th | v4 (v2025.03.14) |
| Mar 29, 2025 | 26.89% (0.26889) | 94.17th | v4 (v2025.03.14) |
| Mar 19, 2025 | 30.56% (0.30559) | 96.14th | v4 (v2025.03.14) |
| Mar 17, 2025 | 26.58% (0.26578) | 95.91th | v4 (v2025.03.14) |
| Dec 17, 2024 | 15.73% (0.15729) | 95.90th | v3 (v2023.03.01) |
| Feb 2, 2024 | 0.19% (0.00189) | 56.49th | v3 (v2023.03.01) |
| Aug 19, 2023 | 23.18% (0.23176) | 95.94th | v3 (v2023.03.01) |
| Mar 7, 2023 | 20.98% (0.20984) | 95.60th | v3 (v2023.03.01) |
| Mar 6, 2023 | 9.77% (0.09772) | 94.33th | v2 (v2022.01.01) |
| Apr 1, 2022 | 9.77% (0.09772) | 93.82th | v2 (v2022.01.01) |
| Feb 4, 2022 | 9.77% (0.09772) | 87.25th | v2 (v2022.01.01) |
Weaknesses (1)
References (2)
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2001/ms01-026 vendor-advisoryx_refsource_MSPatchVendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/6535 vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2001/ms01-026 | vendor-advisoryx_refsource_MSPatchVendor Advisory | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/6535 | vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Sep 18, 2001
Updated Aug 8, 2024
Reserved May 10, 2001
Link CVE-2001-0334
CISA Vulnrichment
Updated n/a