Cisco IOS 15.1 Session denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.9$0-$5k0.00

A vulnerability, which was classified as problematic, was found in Cisco IOS 15.1 (Router Operating System). This affects an unknown function of the component Session. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. The summary by CVE is:

Cisco IOS before 15.1(1)SY allows local users to cause a denial of service (device reload) by establishing an outbound SSH session, aka Bug ID CSCto00318.

The weakness was disclosed 04/23/2014 (Website). It is possible to read the advisory at cisco.com. This vulnerability is uniquely identified as CVE-2012-4638 since 08/24/2012. The exploitability is told to be easy. Attacking locally is a requirement. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 15.1(1)SY eliminates this vulnerability.

The entries 69454, 69452, 69451 and 69450 are pretty similar.

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: 6.2
VulDB Meta Temp Score: 5.9

VulDB Base Score: 6.2
VulDB Temp Score: 5.9
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
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

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: IOS 15.1(1)SY

Timelineinfo

08/24/2012 🔍
04/23/2014 +607 days 🔍
04/23/2014 +0 days 🔍
03/25/2015 +336 days 🔍
03/09/2019 +1445 days 🔍

Sourcesinfo

Vendor: cisco.com

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

CVE: CVE-2012-4638 (🔍)
See also: 🔍

Entryinfo

Created: 03/25/2015 16:45
Updated: 03/09/2019 11:28
Changes: 03/25/2015 16:45 (50), 03/09/2019 11:28 (2)
Complete: 🔍

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