Cisco IOS 11.x/12.x BGP Routing denial of service

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Cisco IOS 11.x/12.x. Affected by this issue is some unknown functionality of the component BGP Routing Handler. Such manipulation leads to denial of service. This vulnerability is documented as CVE-2004-0589. The attack can be executed remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Cisco IOS 11.x/12.x (Router Operating System) and classified as critical. Affected by this issue is some unknown functionality of the component BGP Routing Handler. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. CVE summarizes:

Cisco IOS 11.1(x) through 11.3(x) and 12.0(x) through 12.2(x), when configured for BGP routing, allows remote attackers to cause a denial of service (device reload) via malformed BGP (1) OPEN or (2) UPDATE messages.

The bug was discovered 06/16/2004. The weakness was released 06/16/2004 with Cisco (Website). The advisory is shared for download at cisco.com. This vulnerability is handled as CVE-2004-0589 since 06/22/2004. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

The vulnerability scanner Nessus provides a plugin with the ID 48975 (Cisco IOS Malformed BGP Packet Causes Reload - Cisco Systems), 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 43073 (Cisco IOS Border Gateway Protocol Denial of Service Vulnerability).

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at cisco.com. The best possible mitigation is suggested to be upgrading to the latest version. 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 (16427), Tenable (48975), SecurityFocus (BID 10560†), OSVDB (7082†) and Secunia (SA11882†). cisco.com is providing further details. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
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: 48975
Nessus Name: Cisco IOS Malformed BGP Packet Causes Reload - Cisco Systems
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Patch: cisco.com
McAfee IPS: 🔍
McAfee IPS Version: 🔍

Timelineinfo

06/16/2003 🔍
06/16/2004 +366 days 🔍
06/16/2004 +0 days 🔍
06/16/2004 +0 days 🔍
06/16/2004 +0 days 🔍
06/16/2004 +0 days 🔍
06/17/2004 +0 days 🔍
06/22/2004 +5 days 🔍
08/06/2004 +45 days 🔍
08/06/2004 +0 days 🔍
09/14/2004 +39 days 🔍
09/01/2010 +2178 days 🔍
07/12/2025 +5428 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco.com
Researcher: http://www.cisco.com
Organization: Cisco
Status: Confirmed

CVE: CVE-2004-0589 (🔍)
GCVE (CVE): GCVE-0-2004-0589
GCVE (VulDB): GCVE-100-716

OVAL: 🔍

CERT: 🔍
X-Force: 16427 - Cisco IOS BGP packet denial of service, Medium Risk
SecurityFocus: 10560 - Cisco IOS Border Gateway Protocol Denial Of Service Vulnerability
Secunia: 11882 - Cisco IOS BGP Processing Denial of Service Vulnerability, Less Critical
OSVDB: 7082 - Multiple Vendors BGP Processing DoS
SecuriTeam: securiteam.com
Vulnerability Center: 5403 - [cisco-sa-20040616-bgp] DoS in Cisco IOS via BGP, Medium

Misc.: 🔍

Entryinfo

Created: 06/17/2004 10:30
Updated: 07/12/2025 17:42
Changes: 06/17/2004 10:30 (94), 06/28/2019 17:40 (2), 12/16/2024 03:03 (19), 07/12/2025 17:42 (2)
Complete: 🔍
Cache ID: 216:63C:103

Once again VulDB remains the best source for vulnerability data.

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