How severe is CVE-1999-0758?

CVE-1999-0758 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-1999-0758 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-1999-0758?

CVE-1999-0758 primarily affects Netscape Enterprise Server. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-1999-0758?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-1999-0758 published?

CVE-1999-0758 was published on 2001-03-12 and last updated on 2026-06-16.

CVE-1999-0758

CVE-1999-0758 is a medium-severity vulnerability in Netscape Enterprise Server with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Netscape Enterprise Server
Published: 2001-03-12
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-1999-0758?: CVE-1999-0758 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-1999-0758 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-1999-0758?: CVE-1999-0758 primarily affects Netscape Enterprise Server. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-1999-0758?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-1999-0758 published?: CVE-1999-0758 was published on 2001-03-12 and last updated on 2026-06-16.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0758

Affected products (2)

cpe:2.3:a:netscape:enterprise_server:3.5.1:*:*:*:*:*:*:*
cpe:2.3:a:netscape:fasttrack_server:3.01:*:*:*:*:*:*:*

More vulnerabilities in Netscape Enterprise Server

CVE-2000-0308 — Critical (CVSS 10.0): Insecure file permissions for Netscape FastTrack Server 2.x, Enterprise Server 2.0, and Proxy Server 2.5 in SCO…
CVE-1999-0853 — Critical (CVSS 10.0): Buffer overflow in Netscape Enterprise Server and Netscape FastTrack Server allows remote attackers to gain privileges…
CVE-2004-0826 — High (CVSS 7.5): Heap-based buffer overflow in Netscape Network Security Services (NSS) library allows remote attackers to execute…
CVE-2002-1654 — High (CVSS 7.5): iPlanet Web Server Enterprise Edition and Netscape Enterprise Server 4.0 and 4.1 allows remote attackers to conduct…
CVE-2000-0600 — High (CVSS 7.5): Netscape Enterprise Server in NetWare 5.1 allows remote attackers to cause a denial of service or execute arbitrary…
CVE-1999-0744 — High (CVSS 7.5): Buffer overflow in Netscape Enterprise Server and FastTrask Server allows remote attackers to gain privileges via a…

All CVEs affecting Netscape Enterprise Server →