Cisco Firewall Services Module Software up to 4.0 improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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6.5$0-$5k0.00

A vulnerability has been found in Cisco Firewall Services Module Software up to 4.0 (Firewall Software) and classified as critical. This vulnerability affects an unknown functionality of the component Firewall Services Module. The manipulation with an unknown input leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect availability. CVE summarizes:

Cisco Firewall Services Module (aka FWSM) 3.1 before 3.1(21), 3.2 before 3.2(22), 4.0 before 4.0(16), and 4.1 before 4.1(7), when certain authentication configurations are used, allows remote attackers to cause a denial of service (module crash) by making many authentication requests for network access, aka Bug ID CSCtn15697.

The weakness was shared 10/06/2011 with Cisco (Website). The advisory is shared for download at cisco.com. This vulnerability was named CVE-2011-3297 since 08/29/2011. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.

Upgrading to version 3.2%286%29 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at X-Force (70327). The entries 58870, 58869, 58868 and 58863 are related to this item.

Productinfo

Type

Vendor

Name

Version

License

Support

  • end of life (old version)

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 6.5

VulDB Base Score: 7.5
VulDB Temp Score: 6.5
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: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Firewall Services Module Software 3.2%286%29

Timelineinfo

08/29/2011 🔍
10/05/2011 +37 days 🔍
10/06/2011 +1 days 🔍
10/06/2011 +0 days 🔍
10/06/2011 +0 days 🔍
03/23/2015 +1264 days 🔍
01/22/2018 +1036 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco.com
Organization: Cisco
Status: Confirmed

CVE: CVE-2011-3297 (🔍)
X-Force: 70327 - Cisco Firewall Services Module authentication proxy denial of service
SecurityFocus: 49955 - Cisco Firewall Services Module Authentication Proxy Remote Denial of Service Vulnerability
Secunia: 46278 - Cisco Firewall Services Module Security Bypass and Denial of Service Vulnerabilities, Moderately Critical

See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 01/22/2018 08:15
Changes: 03/23/2015 16:50 (52), 01/22/2018 08:15 (10)
Complete: 🔍

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