Cisco IOS up to 12.2 Service Assurance Agent denial of service

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Cisco IOS up to 12.2. This impacts an unknown function of the component Service Assurance Agent. This manipulation causes denial of service. This vulnerability is handled as CVE-2003-0305. There is not any exploit available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability was found in Cisco IOS up to 12.2 (Router Operating System). It has been declared as problematic. Affected by this vulnerability is some unknown functionality of the component Service Assurance Agent. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. The summary by CVE is:

The Service Assurance Agent (SAA) in Cisco IOS 12.0 through 12.2, aka Response Time Reporter (RTR), allows remote attackers to cause a denial of service (crash) via malformed RTR packets to port 1967.

The weakness was released 06/09/2003 (Website). It is possible to read the advisory at cisco.com. This vulnerability is known as CVE-2003-0305 since 05/15/2003. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 55385 (Cisco IOS Software Processing of SAA Packets - 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 43102 (Cisco IOS Service Assurance Agent Malformed Packet Denial of Service Vulnerability (cisco-sa-20030515-saa)).

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 (12014), Tenable (55385), SecurityFocus (BID 7607†), OSVDB (8902†) and Vulnerability Center (SBV-2811†). Entry connected to this vulnerability is available at VDB-70. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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: 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: 55385
Nessus Name: Cisco IOS Software Processing of SAA Packets - 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: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/01/2003 🔍
05/15/2003 +134 days 🔍
05/15/2003 +0 days 🔍
05/15/2003 +0 days 🔍
06/09/2003 +25 days 🔍
06/09/2003 +0 days 🔍
10/30/2003 +143 days 🔍
04/09/2004 +161 days 🔍
06/22/2011 +2630 days 🔍
08/11/2014 +1146 days 🔍
08/20/2025 +4027 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco.com
Status: Confirmed

CVE: CVE-2003-0305 (🔍)
GCVE (CVE): GCVE-0-2003-0305
GCVE (VulDB): GCVE-100-20491

OVAL: 🔍

X-Force: 12014
SecurityFocus: 7607
OSVDB: 8902 - Cisco IOS SAA Malformed RTR Packet DoS
Vulnerability Center: 2811 - [cisco-sa-20030515-saa] DoS in Cisco IOS 12.0 - 12.2 via Malformed RTR Packets, High

See also: 🔍

Entryinfo

Created: 08/12/2014 00:49
Updated: 08/20/2025 18:00
Changes: 08/12/2014 00:49 (70), 05/16/2019 16:49 (2), 08/20/2025 18:00 (20)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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