Is CVE-2005-2830 in the CISA KEV catalog?

No. CVE-2005-2830 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2005-2830?

CVE-2005-2830 has a CVSS v2 base score of 5.0 (MEDIUM).

What is the EPSS score for CVE-2005-2830?

CVE-2005-2830 has an EPSS score of 35.49% (98th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2005-2830

MEDIUMEPSS 98th pctl

5.0

CVSS v2

NVD

Description

Microsoft Internet Explorer 5.01, 5.5, and 6, when using an HTTPS proxy server that requires Basic Authentication, sends URLs in cleartext, which allows remote attackers to obtain sensitive information, aka "HTTPS Proxy Vulnerability."

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

35.49%probability of exploitation in 30 days

98thpercentile

Very high risk: more likely to be exploited than 98% of all known CVEs.

References

http://secunia.com/advisories/15368
http://secunia.com/advisories/18064
http://secunia.com/advisories/18311
http://securitytracker.com/id?1015350
http://support.avaya.com/elmodocs2/security/ASA-2005-234.pdf
http://www.securityfocus.com/bid/15825
http://www.vupen.com/english/advisories/2005/2867
http://www.vupen.com/english/advisories/2005/2909
http://www130.nortelnetworks.com/cgi-bin/eserv/cs/main.jsp?cscat=BLTNDETAIL&DocumentOID=375420
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2005/ms05-054
https://exchange.xforce.ibmcloud.com/vulnerabilities/23451
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1097
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1101
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1143
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1317
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1435
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1521

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-16.