CVE-1999-1175

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 1999-12-31 · updated 2026-06-16

Description

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.

Affected products

Cisco IOS: through 11.2

References

http://www.ciac.org/ciac/bulletins/i-054.shtml
http://www.cisco.com/warp/public/770/wccpauth-pub.shtml
https://exchange.xforce.ibmcloud.com/vulnerabilities/1577
http://www.ciac.org/ciac/bulletins/i-054.shtml
http://www.cisco.com/warp/public/770/wccpauth-pub.shtml
https://exchange.xforce.ibmcloud.com/vulnerabilities/1577

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