VDB-59195 · CVE-2011-2058 · BID 50375

Cisco IOS up to 12.x resource management

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability has been found in Cisco IOS up to 12.x and classified as problematic. This issue affects some unknown processing. The manipulation leads to resource management. This vulnerability is referenced as CVE-2011-2058. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Cisco IOS up to 12.x (Router Operating System). This issue affects an unknown part. The manipulation with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is availability. The summary by CVE is:

The cat6000-dot1x component in Cisco IOS 12.2 before 12.2(33)SXI7 does not properly handle an external loop between a pair of dot1x enabled ports, which allows remote attackers to cause a denial of service (traffic storm) via unspecified vectors that trigger many unicast EAPoL Protocol Data Units (PDUs), aka Bug ID CSCtq36336.

The weakness was published 10/21/2011 with Cisco (Website). It is possible to read the advisory at cisco.com. The identification of this vulnerability is CVE-2011-2058. 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.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 43239 (Cisco IOS dot1x Port Handling Denial of Service Vulnerability).

Upgrading to version 12.2%2833%29sxh4 eliminates this vulnerability.

The vulnerability is also documented in the databases at SecurityFocus (BID 50375†) and Vulnerability Center (SBV-33624†). Similar entry is available at VDB-59194. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.3

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

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / 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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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: IOS 12.2%2833%29sxh4

Timelineinfo

05/10/2011 🔍
10/21/2011 +164 days 🔍
10/21/2011 +0 days 🔍
10/21/2011 +0 days 🔍
10/26/2011 +5 days 🔍
10/27/2011 +1 days 🔍
03/23/2015 +1243 days 🔍
11/24/2021 +2438 days 🔍

Sourcesinfo

Vendor: cisco.com

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

CVE: CVE-2011-2058 (🔍)
GCVE (CVE): GCVE-0-2011-2058
GCVE (VulDB): GCVE-100-59195
SecurityFocus: 50375 - Cisco IOS dot1x Port Handling Multiple Denial of Service Vulnerabilities
Vulnerability Center: 33624 - Cisco IOS before 12.2(33)SXI7 dot1x Remote DoS when Handling dot1x External Loops, Medium

See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 11/24/2021 15:34
Changes: 03/23/2015 16:50 (52), 04/04/2017 11:26 (9), 11/24/2021 15:28 (4), 11/24/2021 15:34 (10)
Complete: 🔍
Cache ID: 216::103

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

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