CVE-1999-1175

NONECVSS 0.0

0.0

Web Cache Control Protocol (WCCP) in Cisco Cache Engine for Cisco IOS 11.2 and earlier does not use authentication, which allows remote attackers to redirect HTTP traffic to arbitrary hosts via WCCP packets to UDP port 2048.

CVSS v3: —
EG Score: —
EPSS: 75.5%
KEV: Not listed

Published

December 31, 1999

Last Modified

April 16, 2026

References (6)

cve@mitrehttp://www.ciac.org/ciac/bulletins/i-054.shtml
cve@mitrehttp://www.cisco.com/warp/public/770/wccpauth-pub.shtml
cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/1577
af854a3a-2127-422b-91ae-364da2661108http://www.ciac.org/ciac/bulletins/i-054.shtml
af854a3a-2127-422b-91ae-364da2661108http://www.cisco.com/warp/public/770/wccpauth-pub.shtml
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/1577

Data Freshness Timeline

(refreshed 13× in last 7d / 19× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

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Frequently asked(4)

What is CVE-1999-1175?

CVE-1999-1175 is a none vulnerability published on December 31, 1999. Web Cache Control Protocol (WCCP) in Cisco Cache Engine for Cisco IOS 11.2 and earlier does not use authentication, which allows remote attackers to redirect HTTP traffic to arbitrary hosts via WCCP packets to UDP port 2048.

When was CVE-1999-1175 disclosed?

CVE-1999-1175 was first published in the National Vulnerability Database on December 31, 1999, with the most recent update on April 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-1999-1175 actively exploited?

CVE-1999-1175 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 75.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-1999-1175?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-1999-1175, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-1999-1175

📅 Published

🔄 Last Modified

🔗 References (6)