HIGH
IIS 4.0 and 5.0 allows remote attackers to read documents outside of the web root, and possibly execute arbitrary commands, via malformed URLs that contain UNICODE encoded characters, aka the "Web Server Folder Traversal" vulnerability
Published Jan 22, 2001
7.5
HIGHCVSS 2.0
EPSS 63.28%
Description
IIS 4.0 and 5.0 allows remote attackers to read documents outside of the web root, and possibly execute arbitrary commands, via malformed URLs that contain UNICODE encoded characters, aka the "Web Server Folder Traversal" vulnerability.
Affected products
No data.
OR
- 4.0
- 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.
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.
63.28% 0.63284
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.63284
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 (30 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 63.28% (0.63284) | 99.19th | v5 (v2026.06.15) |
| Aug 17, 2026 | 72.07% (0.72073) | 99.38th | v5 (v2026.06.15) |
| Jul 29, 2026 | 70.55% (0.70550) | 99.33th | v5 (v2026.06.15) |
| Jul 26, 2026 | 45.35% (0.45346) | 98.66th | v5 (v2026.06.15) |
| Jul 12, 2026 | 70.55% (0.70550) | 99.31th | v5 (v2026.06.15) |
| Jun 15, 2026 | 72.70% (0.72705) | 99.37th | v5 (v2026.06.15) |
| Mar 7, 2026 | 84.07% (0.84066) | 99.28th | v4 (v2025.03.14) |
| Dec 28, 2025 | 82.70% (0.82700) | 99.20th | v4 (v2025.03.14) |
| Dec 27, 2025 | 45.74% (0.45736) | 97.52th | v4 (v2025.03.14) |
| Oct 28, 2025 | 82.70% (0.82700) | 99.19th | v4 (v2025.03.14) |
| Oct 27, 2025 | 45.74% (0.45736) | 97.48th | v4 (v2025.03.14) |
| Oct 6, 2025 | 83.12% (0.83115) | 99.22th | v4 (v2025.03.14) |
| Oct 1, 2025 | 86.69% (0.86685) | 99.40th | v4 (v2025.03.14) |
| Jul 30, 2025 | 55.20% (0.55197) | 97.95th | v4 (v2025.03.14) |
| May 28, 2025 | 86.69% (0.86685) | 99.37th | v4 (v2025.03.14) |
| May 25, 2025 | 84.05% (0.84053) | 99.24th | v4 (v2025.03.14) |
| May 14, 2025 | 87.03% (0.87033) | 99.39th | v4 (v2025.03.14) |
| Mar 30, 2025 | 90.06% (0.90057) | 99.57th | v4 (v2025.03.14) |
| Mar 29, 2025 | 83.32% (0.83319) | 99.09th | v4 (v2025.03.14) |
| Mar 28, 2025 | 90.06% (0.90057) | 99.57th | v4 (v2025.03.14) |
| Mar 27, 2025 | 83.32% (0.83319) | 99.20th | v4 (v2025.03.14) |
| Mar 20, 2025 | 90.06% (0.90057) | 99.59th | v4 (v2025.03.14) |
| Mar 19, 2025 | 83.32% (0.83319) | 99.23th | v4 (v2025.03.14) |
| Mar 17, 2025 | 90.06% (0.90057) | 99.57th | v4 (v2025.03.14) |
| Dec 12, 2024 | 93.79% (0.93793) | 99.24th | v3 (v2023.03.01) |
| Feb 8, 2024 | 93.79% (0.93793) | 99.04th | v3 (v2023.03.01) |
| Jun 29, 2023 | 93.56% (0.93561) | 98.69th | v3 (v2023.03.01) |
| Mar 7, 2023 | 95.48% (0.95479) | 98.92th | v3 (v2023.03.01) |
| Mar 6, 2023 | 26.56% (0.26556) | 97.12th | v2 (v2022.01.01) |
| Feb 4, 2022 | 26.56% (0.26556) | 95.76th | v2 (v2022.01.01) |
Weaknesses (0)
No CWE recorded.
References (5)
- http://www.osvdb.org/436 vdb-entryx_refsource_OSVDB
- http://www.securityfocus.com/bid/1806 vdb-entryx_refsource_BID
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2000/ms00-078 vendor-advisoryx_refsource_MS
- https://exchange.xforce.ibmcloud.com/vulnerabilities/5377 vdb-entryx_refsource_XF
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A44 vdb-entrysignaturex_refsource_OVAL
| Link | Providers | Tags |
|---|---|---|
| http://www.osvdb.org/436 | vdb-entryx_refsource_OSVDB | |
| http://www.securityfocus.com/bid/1806 | vdb-entryx_refsource_BID | |
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2000/ms00-078 | vendor-advisoryx_refsource_MS | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/5377 | vdb-entryx_refsource_XF | |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A44 | vdb-entrysignaturex_refsource_OVAL |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Jan 22, 2001
Updated Aug 8, 2024
Reserved Oct 19, 2000
Link CVE-2000-0884
CISA Vulnrichment
Updated n/a