HIGH
Directory traversal vulnerability in IIS 5.0 and earlier allows remote attackers to execute arbitrary commands by encoding .
Published Sep 18, 2001
7.5
HIGHCVSS 2.0
EPSS 90.77%
Description
Directory traversal vulnerability in IIS 5.0 and earlier allows remote attackers to execute arbitrary commands by encoding .. (dot dot) and "\" characters twice.
Affected products
No data.
OR
- ≤ 5.0
- 4.0
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.
No CVSS v3.1 score for this CVE.
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.
90.77% 0.90770
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.90770
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 (36 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 90.77% (0.90770) | 99.80th | v5 (v2026.06.15) |
| Jun 15, 2026 | 90.77% (0.90770) | 99.79th | v5 (v2026.06.15) |
| Mar 4, 2026 | 84.47% (0.84470) | 99.31th | v4 (v2025.03.14) |
| Mar 1, 2026 | 88.68% (0.88683) | 99.50th | v4 (v2025.03.14) |
| Feb 4, 2026 | 84.47% (0.84470) | 99.30th | v4 (v2025.03.14) |
| Feb 1, 2026 | 88.68% (0.88683) | 99.50th | v4 (v2025.03.14) |
| Jan 4, 2026 | 84.47% (0.84470) | 99.29th | v4 (v2025.03.14) |
| Jan 1, 2026 | 88.68% (0.88683) | 99.49th | v4 (v2025.03.14) |
| Dec 4, 2025 | 84.47% (0.84470) | 99.27th | v4 (v2025.03.14) |
| Dec 1, 2025 | 88.68% (0.88683) | 99.49th | v4 (v2025.03.14) |
| Nov 4, 2025 | 84.47% (0.84470) | 99.28th | v4 (v2025.03.14) |
| Nov 1, 2025 | 88.68% (0.88683) | 99.49th | v4 (v2025.03.14) |
| Oct 4, 2025 | 84.47% (0.84470) | 99.28th | v4 (v2025.03.14) |
| Oct 1, 2025 | 88.68% (0.88683) | 99.50th | v4 (v2025.03.14) |
| Sep 5, 2025 | 84.47% (0.84470) | 99.28th | v4 (v2025.03.14) |
| Sep 1, 2025 | 88.68% (0.88683) | 99.50th | v4 (v2025.03.14) |
| Aug 6, 2025 | 84.22% (0.84224) | 99.27th | v4 (v2025.03.14) |
| Aug 1, 2025 | 88.54% (0.88539) | 99.49th | v4 (v2025.03.14) |
| Jul 4, 2025 | 84.22% (0.84224) | 99.26th | v4 (v2025.03.14) |
| Jul 1, 2025 | 88.54% (0.88539) | 99.48th | v4 (v2025.03.14) |
| Jun 9, 2025 | 84.22% (0.84224) | 99.25th | v4 (v2025.03.14) |
| Jun 5, 2025 | 80.68% (0.80682) | 99.08th | v4 (v2025.03.14) |
| Jun 1, 2025 | 86.45% (0.86449) | 99.37th | v4 (v2025.03.14) |
| May 4, 2025 | 80.68% (0.80682) | 99.07th | v4 (v2025.03.14) |
| May 1, 2025 | 86.45% (0.86449) | 99.36th | v4 (v2025.03.14) |
| Apr 6, 2025 | 80.68% (0.80682) | 99.10th | v4 (v2025.03.14) |
| Apr 5, 2025 | 86.45% (0.86449) | 99.37th | v4 (v2025.03.14) |
| Mar 30, 2025 | 80.68% (0.80682) | 99.09th | v4 (v2025.03.14) |
| Mar 29, 2025 | 86.45% (0.86449) | 99.27th | v4 (v2025.03.14) |
| Mar 22, 2025 | 80.68% (0.80682) | 99.13th | v4 (v2025.03.14) |
| Mar 19, 2025 | 75.11% (0.75111) | 98.80th | v4 (v2025.03.14) |
| Mar 17, 2025 | 73.96% (0.73957) | 98.74th | v4 (v2025.03.14) |
| Dec 17, 2024 | 8.50% (0.08497) | 94.43th | v3 (v2023.03.01) |
| Mar 7, 2023 | 4.96% (0.04956) | 91.55th | v3 (v2023.03.01) |
| Mar 6, 2023 | 72.61% (0.72614) | 99.25th | v2 (v2022.01.01) |
| Feb 4, 2022 | 72.61% (0.72614) | 99.10th | v2 (v2022.01.01) |
Weaknesses (0)
No CWE recorded.
References (9)
- http://marc.info/?l=bugtraq&m=98992056521300&w=2 mailing-listx_refsource_BUGTRAQ
- http://www.cert.org/advisories/CA-2001-12.html third-party-advisoryx_refsource_CERTUS Government Resource
- http://www.securityfocus.com/bid/2708 vdb-entryx_refsource_BID
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2001/ms01-026 vendor-advisoryx_refsource_MS
- https://exchange.xforce.ibmcloud.com/vulnerabilities/6534 vdb-entryx_refsource_XF
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1018 vdb-entrysignaturex_refsource_OVAL
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1051 vdb-entrysignaturex_refsource_OVAL
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A37 vdb-entrysignaturex_refsource_OVAL
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A78 vdb-entrysignaturex_refsource_OVAL
| Link | Providers | Tags |
|---|---|---|
| http://marc.info/?l=bugtraq&m=98992056521300&w=2 | mailing-listx_refsource_BUGTRAQ | |
| http://www.cert.org/advisories/CA-2001-12.html | third-party-advisoryx_refsource_CERTUS Government Resource | |
| http://www.securityfocus.com/bid/2708 | vdb-entryx_refsource_BID | |
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2001/ms01-026 | vendor-advisoryx_refsource_MS | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/6534 | vdb-entryx_refsource_XF | |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1018 | vdb-entrysignaturex_refsource_OVAL | |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1051 | vdb-entrysignaturex_refsource_OVAL | |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A37 | vdb-entrysignaturex_refsource_OVAL | |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A78 | vdb-entrysignaturex_refsource_OVAL |
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-2001-0333
CISA Vulnrichment
Updated n/a