CVE-2000-0439
CVE-2000-0439 is a low-severity vulnerability in Microsoft Internet Explorer with a CVSS 2.0 base score of 2.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: Low (CVSS 2.0 base score 2.6)
- EPSS exploit prediction: 6% (93rd percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Microsoft Internet Explorer
- Published:
- Last modified:
Description
Internet Explorer 4.0 and 5.0 allows a malicious web site to obtain client cookies from another domain by including that domain name and escaped characters in a URL, aka the "Unauthorized Cookie Access" vulnerability.
Frequently asked questions
- What is CVE-2000-0439?
- Internet Explorer 4.0 and 5.0 allows a malicious web site to obtain client cookies from another domain by including that domain name and escaped characters in a URL, aka the "Unauthorized Cookie Access" vulnerability.
- How severe is CVE-2000-0439?
- CVE-2000-0439 has a CVSS 2.0 base score of 2.6, rated low severity.
- Is CVE-2000-0439 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2000-0439?
- CVE-2000-0439 primarily affects Microsoft Internet Explorer. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2000-0439?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2000-0439 published?
- CVE-2000-0439 was published on 2000-05-11 and last updated on 2026-06-16.
References
- http://www.osvdb.org/1326
- http://www.securityfocus.com/bid/1194
- http://www.securityfocus.com/templates/archive.pike?list=1&msg=20000511135609.D7774%40securityfocus.com
- http://www.securityfocus.com/templates/archive.pike?list=1&msg=NDBBKGHPMKBKDDGLDEEHAEHMDIAA.rms2000%40bellatlantic.net
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2000/ms00-033
- https://exchange.xforce.ibmcloud.com/vulnerabilities/4447
Affected products (6)
- cpe:2.3:a:microsoft:internet_explorer:3.0:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:internet_explorer:3.2:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:internet_explorer:4.0:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:internet_explorer:4.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:internet_explorer:4.1:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:internet_explorer:5.0:*:*:*:*:*:*:*
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