CVE-2001-0643
CVE-2001-0643 is a medium-severity vulnerability in Microsoft Internet Explorer with a CVSS 2.0 base score of 5.0. Its EPSS exploit-prediction score of 10% places it in the 95th percentile, indicating an elevated likelihood of exploitation.
Key facts
- Severity: Medium (CVSS 2.0 base score 5.0)
- EPSS exploit prediction: 10% (95th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Microsoft Internet Explorer
- Published:
- Last modified:
Description
Internet Explorer 5.5 does not display the Class ID (CLSID) when it is at the end of the file name, which could allow attackers to trick the user into executing dangerous programs by making it appear that the document is of a safe file type.
Frequently asked questions
- What is CVE-2001-0643?
- Internet Explorer 5.5 does not display the Class ID (CLSID) when it is at the end of the file name, which could allow attackers to trick the user into executing dangerous programs by making it appear that the document is of a safe file type.
- How severe is CVE-2001-0643?
- CVE-2001-0643 has a CVSS 2.0 base score of 5.0, rated medium severity.
- Is CVE-2001-0643 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2001-0643?
- CVE-2001-0643 affects Microsoft Internet Explorer. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2001-0643?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2001-0643 published?
- CVE-2001-0643 was published on 2001-09-20 and last updated on 2026-06-16.
References
- http://vil.nai.com/vil/virusSummary.asp?virus_k=99048
- http://www.guninski.com/clsidext.html
- http://www.osvdb.org/7858
- http://www.sarc.com/avcenter/venc/data/vbs.postcard%40mm.html
- http://www.securityfocus.com/archive/1/176909
- http://www.securityfocus.com/bid/2612
- https://exchange.xforce.ibmcloud.com/vulnerabilities/6426
Affected products (1)
- cpe:2.3:a:microsoft:internet_explorer:5.5:*:*:*:*:*:*:*
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