CVE-2000-0517
— NVD-CWE-Other
EPSS 1.0%
- Published: 2000-05-26T04:00:00.000
- Last modified: 2025-04-03T01:03:51.193
- CWE: NVD-CWE-Other
Netscape 4.73 and earlier does not properly warn users about a potentially invalid certificate if the user has previously accepted the certificate for a different web site, which could allow remote attackers to spoof a legitimate web site by compromising that site’s DNS information.
Related CVE by CWE
No related CWE found.
Top CVE for Vendor
No vendor taxonomy on this entry.
Recently Exploited Similar Vulnerabilities
No recent KEV-listed items for this vendor/product.
How to fix CVE-2000-0517
CVE-2000-0517 is a unknown severity vulnerability affecting the affected product.
Description: Netscape 4.73 and earlier does not properly warn users about a potentially invalid certificate if the user has previously accepted the certificate for a different web site, which could allow remote attackers to spoof a legitimate web site by compromising that site’s DNS information. Related CVE by CWENo related CWE found.Top CVE for VendorNo vendor […]
Exploit Difficulty: HARD
⏱️ Time to exploit: > 4 hours
🛠️ Required skills: Advanced security expertise
💰 Public exploits: Rare or not public
How to Fix:
- Check if you're running the affected product
- Update to the latest patched version
- If patching is not immediately possible: restrict network exposure, apply least-privilege access
- Test the fix in a staging environment first
- Review logs for signs of exploitation
- Monitor for IOCs (Indicators of Compromise)
- Enable automatic security updates
- Set up vulnerability monitoring
- Review and harden security configurations
Description: Netscape 4.73 and earlier does not properly warn users about a potentially invalid certificate if the user has previously accepted the certificate for a different web site, which could allow remote attackers to spoof a legitimate web site by compromising that site’s DNS information. Related CVE by CWENo related CWE found.Top CVE for VendorNo vendor […]
Exploit Difficulty: HARD
⏱️ Time to exploit: > 4 hours
🛠️ Required skills: Advanced security expertise
💰 Public exploits: Rare or not public
How to Fix:
1 Identify affected systems
- Check if you're running the affected product
2 Immediate actions
- Update to the latest patched version
- If patching is not immediately possible: restrict network exposure, apply least-privilege access
3 Verification
- Test the fix in a staging environment first
- Review logs for signs of exploitation
- Monitor for IOCs (Indicators of Compromise)
4 Long-term prevention
- Enable automatic security updates
- Set up vulnerability monitoring
- Review and harden security configurations
CWE: NVD-CWE-Other
Exploit Difficulty Assessment
HARD
Time to Exploit: > 4 hours
Skills Required: Advanced security expertise
Public Exploits: Rare or not public
Vulnerability Timeline
May 26, 2000
Vulnerability Published
CVE details first published to NVD database
Apr 03, 2025
Last Modified
CVE details were updated
Nov 03, 2025
Imported to Database
Added to this CVE tracking system
Detection Rules & IOCs
No specific detection rules generated for this vulnerability type.
No vendor/product data available.
- http://www.cert.org/advisories/CA-2000-08.html [Patch, Third Party Advisory, US Government Resource]
- http://www.securityfocus.com/bid/1260 [Patch, Vendor Advisory]
- https://exchange.xforce.ibmcloud.com/vulnerabilities/4550 []
- http://www.cert.org/advisories/CA-2000-08.html [Patch, Third Party Advisory, US Government Resource]
- http://www.securityfocus.com/bid/1260 [Patch, Vendor Advisory]
- https://exchange.xforce.ibmcloud.com/vulnerabilities/4550 []