Cisco Firewall Services Module Software up to 3.x denial of service

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.2	$0-$5k	0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Cisco Firewall Services Module Software up to 3.x. This affects an unknown part of the component Firewall Services Module. The manipulation leads to denial of service. This vulnerability is uniquely identified as CVE-2010-2820. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Cisco Firewall Services Module Software up to 3.x (Firewall Software). It has been rated as critical. This issue affects some unknown functionality of the component Firewall Services Module. 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. The summary by CVE is:

Unspecified vulnerability in the SunRPC inspection feature on the Cisco Firewall Services Module (FWSM) with software 3.1 before 3.1(17.2), 3.2 before 3.2(16.1), 4.0 before 4.0(10.1), and 4.1 before 4.1(1.1) for Catalyst 6500 series switches and 7600 series routers allows remote attackers to cause a denial of service (device reload) via crafted SunRPC messages, aka Bug ID CSCte61662.

The weakness was disclosed 08/09/2010 with Cisco (Website). It is possible to read the advisory at cisco.com. The identification of this vulnerability is CVE-2010-2820 since 07/23/2010. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 3.2%2814%29 eliminates this vulnerability.

The vulnerability is also documented in the databases at SecurityFocus (BID 42195†), Secunia (SA40843†) and Vulnerability Center (SBV-26846†). The entries VDB-54288, VDB-54286, VDB-54285 and VDB-54273 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Firewall Software

Vendor

• Cisco

Name

• Firewall Services Module Software

Version

• 3.x

License

• commercial

Website

• Vendor: https://www.cisco.com/

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

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Firewall Services Module Software 3.2%2814%29

Timelineinfo

07/23/2010 🔍
08/04/2010 +12 days 🔍
08/05/2010 +1 days 🔍
08/09/2010 +4 days 🔍
08/09/2010 +0 days 🔍
08/09/2010 +0 days 🔍
08/19/2010 +10 days 🔍
03/19/2015 +1673 days 🔍
03/03/2017 +715 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco.com
Organization: Cisco
Status: Not defined

CVE: CVE-2010-2820 (🔍)
GCVE (CVE): GCVE-0-2010-2820
GCVE (VulDB): GCVE-100-54287
SecurityFocus: 42195 - Multiple Cisco Products SunRPC Inspection Variant C Remote Denial of Service Vulnerability
Secunia: 40843 - Cisco Firewall Services Module Multiple Denial of Service Vulnerabilities, Moderately Critical
Vulnerability Center: 26846 - [cisco-sa-20100804-fwsm] Cisco FWSM SunRPC Remote Denial of Service Vulnerabilities [CSCte61662], High

See also: 🔍

Entryinfo

Created: 03/19/2015 14:37
Updated: 03/03/2017 08:09
Changes: 03/19/2015 14:37 (53), 03/03/2017 08:09 (12)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

Discussion

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