Internet Explorer 4.x and 5.x does not properly re-validate an SSL certificate if the…
Priority LOW 21Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- Partial · None · None
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
Internet Explorer 4.x and 5.x does not properly re-validate an SSL certificate if the user establishes a new SSL session with the same server during the same Internet Explorer session, aka one of two different "SSL Certificate Validation" vulnerabilities.
Why it matters now
EPSS 0.04835 92nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 14
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:microsoft:ie:4.0:*:windows_98:*:*:*:*:* | 4.0 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:ie:4.0:*:windows_nt:*:*:*:*:* | 4.0 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:ie:4.0.1:*:windows_95:*:*:*:*:* | 4.0.1 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:ie:4.0.1:*:windows_98:*:*:*:*:* | 4.0.1 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:ie:4.0.1:*:windows_nt:*:*:*:*:* | 4.0.1 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:ie:5.0:*:windows_2000:*:*:*:*:* | 5.0 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:ie:5.0:*:windows_95:*:*:*:*:* | 5.0 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:ie:5.0:*:windows_98:*:*:*:*:* | 5.0 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:ie:5.0:*:windows_nt_4.0:*:*:*:*:* | 5.0 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:ie:5.0.1:*:windows_2000:*:*:*:*:* | 5.0.1 | Vulnerable | Microsoft |
- cpe:2.3:a:microsoft:ie:4.0:*:windows_98:*:*:*:*:* Versions 4.0 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:ie:4.0:*:windows_nt:*:*:*:*:* Versions 4.0 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:ie:4.0.1:*:windows_95:*:*:*:*:* Versions 4.0.1 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:ie:4.0.1:*:windows_98:*:*:*:*:* Versions 4.0.1 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:ie:4.0.1:*:windows_nt:*:*:*:*:* Versions 4.0.1 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:ie:5.0:*:windows_2000:*:*:*:*:* Versions 5.0 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:ie:5.0:*:windows_95:*:*:*:*:* Versions 5.0 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:ie:5.0:*:windows_98:*:*:*:*:* Versions 5.0 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:ie:5.0:*:windows_nt_4.0:*:*:*:*:* Versions 5.0 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:ie:5.0.1:*:windows_2000:*:*:*:*:* Versions 5.0.1 Vulnerable ·Microsoft
Show 4 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:microsoft:ie:5.0.1:*:windows_95:*:*:*:*:* | 5.0.1 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:ie:5.0.1:*:windows_98:*:*:*:*:* | 5.0.1 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:ie:5.0.1:*:windows_nt_4.0:*:*:*:*:* | 5.0.1 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:internet_explorer:4.0:*:*:*:*:*:*:* | 4.0 | Vulnerable | Microsoft |
- cpe:2.3:a:microsoft:ie:5.0.1:*:windows_95:*:*:*:*:* Versions 5.0.1 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:ie:5.0.1:*:windows_98:*:*:*:*:* Versions 5.0.1 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:ie:5.0.1:*:windows_nt_4.0:*:*:*:*:* Versions 5.0.1 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:internet_explorer:4.0:*:*:*:*:*:*:* Versions 4.0 Vulnerable ·Microsoft
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2000-0519
- 2026-10-03 Alias added: GHSA-w8mm-pp8v-w2qj
References
Patch 1
Advisory 1
More Microsoft Ie vulnerabilities
- TI-2004-00947 Heap-based buffer overflow in Internet Explorer 6 allows remote attackers to execute… CVSS 2.0HIGH 10.0
- TI-2004-00183 Stack-based buffer overflow in the Task Scheduler for Windows 2000 and XP, and Internet… CVSS 2.0HIGH 10.0
- TI-2007-00210 The wininet.dll FTP client code in Microsoft Internet Explorer 5.01 and 6 might allow… CVSS 2.0HIGH 10.0
- TI-2006-01313 Microsoft Internet Explorer 6 and 7 Beta 2 allows remote attackers to cause a denial of… CVSS 2.0HIGH 9.3
- TI-2006-01146 Microsoft Internet Explorer 5.01 through 6 allows remote attackers to execute arbitrary… CVSS 2.0HIGH 10.0
- TI-2006-03617 Integer overflow in Microsoft Internet Explorer 6 on Windows XP SP2 allows remote… CVSS 3.1HIGH 8.8
Sources
- CVE-2000-0519 · CVE Program
- CVE-2000-0519 · NVD
- FIRST EPSS
- GHSA-w8mm-pp8v-w2qj · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences