CVE-1999-0758

Netscape Enterprise 3.5.1 and FastTrack 3.01 servers allow a remote attacker to view source code to scripts by appending a %20 to the script's URL.

Published: 2001-03-12 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-1999-0758 is rated Moderate Risk (44.3/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.65%). Mandatory action: Review affected assets and schedule remediation.

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-1999-0758

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 2025-08-27 0.81% 0.65% -0.17%
2 2025-03-30 0.91% 0.81% -0.09%
3 2025-03-29 0.91%

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-1999-0758

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/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:L)
Exploitation conditions are straightforward and predictable.
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.
10.0 2.9 [email protected]

Weakness enumeration for CVE-1999-0758

Affected software / configurations for CVE-1999-0758

Vendor Product Version Raw CPE
netscape enterprise_server 3.5.1 cpe:2.3:a:netscape:enterprise_server:3.5.1:*:*:*:*:*:*:*
netscape fasttrack_server 3.01 cpe:2.3:a:netscape:fasttrack_server:3.01:*:*:*:*:*:*:*

References for CVE-1999-0758

cvelogic Threat Intelligence