CVE-2001-0333
CVE-2001-0333 is a high-severity vulnerability in Microsoft Internet Information Server with a CVSS 2.0 base score of 7.5. Its EPSS exploit-prediction score of 91% places it in the 100th percentile, indicating an elevated likelihood of exploitation.
Key facts
- Severity: High (CVSS 2.0 base score 7.5)
- EPSS exploit prediction: 91% (100th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Microsoft Internet Information Server
- Published:
- Last modified:
Description
Directory traversal vulnerability in IIS 5.0 and earlier allows remote attackers to execute arbitrary commands by encoding .. (dot dot) and "\" characters twice.
Frequently asked questions
- What is CVE-2001-0333?
- Directory traversal vulnerability in IIS 5.0 and earlier allows remote attackers to execute arbitrary commands by encoding .. (dot dot) and "\" characters twice.
- How severe is CVE-2001-0333?
- CVE-2001-0333 has a CVSS 2.0 base score of 7.5, rated high severity.
- Is CVE-2001-0333 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 91% (100th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2001-0333?
- CVE-2001-0333 primarily affects Microsoft Internet Information Server. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2001-0333?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2001-0333 published?
- CVE-2001-0333 was published on 2001-06-27 and last updated on 2026-06-16.
References
- http://marc.info/?l=bugtraq&m=98992056521300&w=2
- http://www.cert.org/advisories/CA-2001-12.html
- http://www.securityfocus.com/bid/2708
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2001/ms01-026
- https://exchange.xforce.ibmcloud.com/vulnerabilities/6534
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1018
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1051
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A37
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A78
Affected products (2)
- cpe:2.3:a:microsoft:internet_information_server:*:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:internet_information_server:4.0:*:*:*:*:*:*:*
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