Cisco IOS 12.2 on Aironet Web Server denial of service

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Cisco IOS 12.2 on Aironet. This affects an unknown part of the component Web Server. The manipulation results in denial of service. This vulnerability was named CVE-2003-0511. The attack may be performed from remote. In addition, an exploit is available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability, which was classified as critical, was found in Cisco IOS 12.2 on Aironet (Router Operating System). Affected is an unknown function of the component Web Server. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. CVE summarizes:

The web server for Cisco Aironet AP1x00 Series Wireless devices running certain versions of IOS 12.2 allow remote attackers to cause a denial of service (reload) via a malformed URL.

The weakness was presented 08/27/2003 (Website). The advisory is shared for download at vigilante.com. This vulnerability is traded as CVE-2003-0511 since 07/07/2003. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are unknown but a public exploit is available. The MITRE ATT&CK project declares the attack technique as T1499.

A public exploit has been developed in Perl. The exploit is shared for download at securityfocus.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 17780 (HTTP GET Vulnerability in AP1x00), 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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 43053 (Cisco Aironet AP1x00 Malformed HTTP GET Denial of Service Vulnerability).

Applying a patch is able to eliminate this problem. 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 (12743), Exploit-DB (22962), Tenable (17780), SecurityFocus (BID 8290†) and Vulnerability Center (SBV-4451†). See VDB-200, VDB-503, VDB-15495 and VDB-16074 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CVSSv4info

VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 6.7

VulDB Base Score: 7.5
VulDB Temp Score: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Programming Language: 🔍
Download: 🔍

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Nessus ID: 17780
Nessus Name: HTTP GET Vulnerability in AP1x00
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/03/2003 🔍
07/07/2003 +4 days 🔍
07/28/2003 +21 days 🔍
07/28/2003 +0 days 🔍
08/27/2003 +30 days 🔍
08/27/2003 +0 days 🔍
06/10/2004 +288 days 🔍
01/10/2012 +2770 days 🔍
08/14/2014 +947 days 🔍
08/12/2025 +4016 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: vigilante.com
Status: Confirmed

CVE: CVE-2003-0511 (🔍)
GCVE (CVE): GCVE-0-2003-0511
GCVE (VulDB): GCVE-100-20748

OVAL: 🔍

X-Force: 12743
SecurityFocus: 8290 - Cisco Aironet AP1x00 Malformed HTTP GET Denial Of Service Vulnerability
Vulnerability Center: 4451 - [cisco-sa-20030728-ap1x00] DoS in Cisco Aironet Wireless Access Points AP1100 and AP1200, High

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 08/15/2014 00:23
Updated: 08/12/2025 11:12
Changes: 08/15/2014 00:23 (59), 05/22/2019 06:46 (16), 09/05/2024 14:16 (16), 08/12/2025 11:12 (4)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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