Cisco IOS up to 12.3 SNMP Service 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 labeled as critical has been found in Cisco IOS up to 12.3. Affected is an unknown function of the component SNMP Service. Such manipulation leads to denial of service. This vulnerability is documented as CVE-2004-0714. The attack can be executed remotely. Additionally, an exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Cisco IOS up to 12.3 (Router Operating System) and classified as critical. Affected by this issue is an unknown part of the component SNMP Service. 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 Internetwork Operating System (IOS) 12.0S through 12.3T attempts to process SNMP solicited operations on improper ports (UDP 162 and a randomly chosen UDP port), which allows remote attackers to cause a denial of service (device reload and memory corruption).

The bug was discovered 04/20/2004. The weakness was released 04/20/2004 with Cisco (Website). The advisory is available at cisco.com. This vulnerability is handled as CVE-2004-0714 since 07/20/2004. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are unknown but a public exploit is available. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

It is declared as proof-of-concept. As 0-day the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 48974 (Vulnerabilities in SNMP Message Processing - 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 43056 (Cisco Internet Operating System SNMP Message Processing 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. It is possible to mitigate the problem by applying the configuration setting no snmp-server. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published immediately after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 2774.

The vulnerability is also documented in the databases at X-Force (15921), Tenable (48974), SecurityFocus (BID 10186†), OSVDB (5575†) and Secunia (SA11442†). kb.cert.org is providing further details. If you want to get best quality of vulnerability data, you may have to visit VulDB.

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: 6.7

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

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 48974
Nessus Name: Vulnerabilities in SNMP Message Processing - 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: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: cisco.com
Config: no snmp-server
Suricata ID: 2002880
Suricata Class: 🔍
Suricata Message: 🔍

TippingPoint: 🔍

Timelineinfo

04/20/2004 🔍
04/20/2004 +0 days 🔍
04/20/2004 +0 days 🔍
04/20/2004 +0 days 🔍
04/20/2004 +0 days 🔍
04/21/2004 +1 days 🔍
04/21/2004 +0 days 🔍
04/25/2004 +3 days 🔍
07/20/2004 +86 days 🔍
07/27/2004 +7 days 🔍
09/01/2010 +2227 days 🔍
07/12/2025 +5428 days 🔍

Sourcesinfo

Vendor: cisco.com

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

CVE: CVE-2004-0714 (🔍)
GCVE (CVE): GCVE-0-2004-0714
GCVE (VulDB): GCVE-100-626

OVAL: 🔍

CERT: 🔍
X-Force: 15921 - Cisco IOS SNMP UDP port denial of service, Medium Risk
SecurityFocus: 10186 - Cisco Internet Operating System SNMP Message Processing Denial Of Service Vulnerability
Secunia: 11442 - Cisco IOS SNMP Request Processing Vulnerability, Less Critical
OSVDB: 5575 - Cisco IOS Flawed SNMP Processing DoS
Vulnerability Center: 4190 - [cisco-sa-20040420-snmp] DoS Within Cisco IOS SNMP Message Processing, Medium

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

Entryinfo

Created: 04/21/2004 15:11
Updated: 07/12/2025 16:47
Changes: 04/21/2004 15:11 (97), 06/28/2019 10:26 (1), 01/22/2025 08:48 (20), 07/12/2025 16:47 (2)
Complete: 🔍
Cache ID: 216:CD6:103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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