CVE-2000-0406

Netscape Communicator before version 4.73 and Navigator 4.07 do not properly validate SSL certificates, which allows remote attackers to steal information by redirecting traffic from a legitimate web server to their own malicious server, aka the "Acros-Suencksen SSL" vulnerability.

Published: 2000-05-10 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2000-0406 is rated Low Risk (35/100): CVSS Low severity, with medium exploitation likelihood (EPSS 0.74%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2000-0406

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-03-30 0.91% 0.74% -0.16%
2 2025-03-29 0.74% 0.91% +0.16%
3 2025-03-17 — 0.74% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2000-0406

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
2.6 2.0 LOW
AV:N/AC:H/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:H)
Exploitation requires uncommon or highly specific conditions.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
 4.9 2.9 [email protected]

Weakness enumeration for CVE-2000-0406

OS Trackers for CVE-2000-0406

vendor priority summary link
redhat — — https://access.redhat.com/security/cve/CVE-2000-0406

Affected software / configurations for CVE-2000-0406

Vendor Product Version Raw CPE
netscape communicator 4.0 cpe:2.3:a:netscape:communicator:4.0:*:*:*:*:*:*:*
netscape communicator 4.05 cpe:2.3:a:netscape:communicator:4.05:*:*:*:*:*:*:*
netscape communicator 4.5 cpe:2.3:a:netscape:communicator:4.5:*:*:*:*:*:*:*
netscape communicator 4.5_beta cpe:2.3:a:netscape:communicator:4.5_beta:*:*:*:*:*:*:*
netscape communicator 4.06 cpe:2.3:a:netscape:communicator:4.06:*:*:*:*:*:*:*
netscape communicator 4.6 cpe:2.3:a:netscape:communicator:4.6:*:*:*:*:*:*:*
netscape communicator 4.07 cpe:2.3:a:netscape:communicator:4.07:*:*:*:*:*:*:*
netscape communicator 4.7 cpe:2.3:a:netscape:communicator:4.7:*:*:*:*:*:*:*
netscape communicator 4.51 cpe:2.3:a:netscape:communicator:4.51:*:*:*:*:*:*:*
netscape communicator 4.61 cpe:2.3:a:netscape:communicator:4.61:*:*:*:*:*:*:*
netscape communicator 4.72 cpe:2.3:a:netscape:communicator:4.72:*:*:*:*:*:*:*

References for CVE-2000-0406

cvelogic Threat Intelligence