Cisco IOS 11.2 Cache Engine improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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7.1$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Cisco IOS 11.2. This affects an unknown function of the component Cache Engine. The manipulation results in improper authentication. This vulnerability is cataloged as CVE-1999-1175. There is no exploit available. Applying restrictive firewalling is recommended.

Detailsinfo

A vulnerability was found in Cisco IOS 11.2 (Router Operating System). It has been classified as critical. Affected is an unknown part of the component Cache Engine. The manipulation with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

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.

The bug was discovered 05/13/1998. The weakness was shared 12/31/1999 as not defined advisory (Website). The advisory is shared for download at cisco.com. This vulnerability is traded as CVE-1999-1175. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 17778 (Cisco Web Cache Control Protocol Router Vulenrability), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CISCO and running in the context l.

It is possible to mitigate the weakness by firewalling udp/2048. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (1577), Tenable (17778), OSVDB (6610†) and Vulnerability Center (SBV-11364†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.1

VulDB Base Score: 7.3
VulDB Temp Score: 7.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 17778
Nessus Name: Cisco Web Cache Control Protocol Router Vulenrability
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

0-Day Time: 🔍

Firewalling: 🔍

Timelineinfo

05/13/1998 🔍
05/13/1998 +0 days 🔍
12/31/1999 +597 days 🔍
12/31/1999 +0 days 🔍
12/31/1999 +0 days 🔍
05/09/2006 +2321 days 🔍
01/10/2012 +2072 days 🔍
06/22/2014 +894 days 🔍
04/20/2026 +4320 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco.com
Status: Not defined

CVE: CVE-1999-1175 (🔍)
GCVE (CVE): GCVE-0-1999-1175
GCVE (VulDB): GCVE-100-15144
X-Force: 1577
OSVDB: 6610 - CVE-1999-1175 - Cisco - Cache Engine - Authentication Bypass Issue
Vulnerability Center: 11364 - [cisco-sa-19980513-wccp-auth] Cisco Cache Engine Allows HTTP Traffic Redirection, High

Entryinfo

Created: 06/22/2014 17:01
Updated: 04/20/2026 04:03
Changes: 06/22/2014 17:01 (65), 06/17/2019 16:09 (4), 04/20/2026 04:03 (16)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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