How severe is CVE-1999-0883?

CVE-1999-0883 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-1999-0883 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-1999-0883?

CVE-1999-0883 primarily affects Zeus Technologies Zeus Web 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-1999-0883?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-1999-0883 published?

CVE-1999-0883 was published on 1999-10-25 and last updated on 2026-06-16.

CVE-1999-0883

CVE-1999-0883 is a critical-severity vulnerability in Zeus Technologies Zeus Web Server with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Zeus Technologies Zeus Web Server
Published: 1999-10-25
Last modified: 2026-06-16

Description

Zeus web server allows remote attackers to read arbitrary files by specifying the file name in an option to the search engine.

Frequently asked questions

What is CVE-1999-0883?: Zeus web server allows remote attackers to read arbitrary files by specifying the file name in an option to the search engine.
How severe is CVE-1999-0883?: CVE-1999-0883 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-1999-0883 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-1999-0883?: CVE-1999-0883 primarily affects Zeus Technologies Zeus Web 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-1999-0883?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-1999-0883 published?: CVE-1999-0883 was published on 1999-10-25 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:zeus_technologies:zeus_web_server:3.3.1:*:*:*:*:*:*:*
cpe:2.3:a:zeus_technologies:zeus_web_server:3.3.2:*:*:*:*:*:*:*

More vulnerabilities in Zeus Technologies Zeus Web Server

CVE-2000-0149 — Medium (CVSS 5.0): Zeus web server allows remote attackers to view the source code for CGI programs via a null character (%00) at the end…
CVE-1999-0884 — Medium (CVSS 5.0): The Zeus web server administrative interface uses weak encryption for its passwords.
CVE-2002-1785 — Low (CVSS 1.9): Cross-site scripting (XSS) vulnerability in Zeus Administration Server in Zeus Web Server 4.0 through 4.1r2 allows…

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