CVE-2012-0386

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Summary

CVECVE-2012-0386
StatePUBLISHED
Assignercisco
Source PriorityCVE Program / NVD first with legacy fallback
Published2012-03-29 11:01:16 UTC
Updated2026-04-29 01:13:23 UTC
DescriptionThe SSHv2 implementation in Cisco IOS 12.2, 12.4, 15.0, 15.1, and 15.2 and IOS XE 2.3.x through 2.6.x and 3.1.xS through 3.4.xS before 3.4.2S allows remote attackers to cause a denial of service (device reload) via a crafted username in a reverse SSH login attempt, aka Bug ID CSCtr49064.

Risk And Classification

Primary CVSS: v2.0 7.8 from [email protected]

AV:N/AC:L/Au:N/C:N/I:N/A:C

Problem Types: CWE-310 | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Complete

AV:N/AC:L/Au:N/C:N/I:N/A:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Cisco Ios 12.2 All All All
Operating System Cisco Ios 12.4 All All All
Operating System Cisco Ios 15.0 All All All
Operating System Cisco Ios 15.1 All All All
Operating System Cisco Ios 15.2 All All All
Operating System Cisco Ios Xe 2.3 All All All
Operating System Cisco Ios Xe 2.3.0 All All All
Operating System Cisco Ios Xe 2.3.1 All All All
Operating System Cisco Ios Xe 2.3.1t All All All
Operating System Cisco Ios Xe 2.3.2 All All All
Operating System Cisco Ios Xe 2.4 All All All
Operating System Cisco Ios Xe 2.4.0 All All All
Operating System Cisco Ios Xe 2.4.1 All All All
Operating System Cisco Ios Xe 2.4.2 All All All
Operating System Cisco Ios Xe 2.4.3 All All All
Operating System Cisco Ios Xe 2.4.4 All All All
Operating System Cisco Ios Xe 2.5.0 All All All
Operating System Cisco Ios Xe 2.5.1 All All All
Operating System Cisco Ios Xe 2.5.2 All All All
Operating System Cisco Ios Xe 2.6.0 All All All
Operating System Cisco Ios Xe 2.6.1 All All All
Operating System Cisco Ios Xe 2.6.2 All All All
Operating System Cisco Ios Xe 3.1.0s All All All
Operating System Cisco Ios Xe 3.1.0sg All All All
Operating System Cisco Ios Xe 3.1.1s All All All
Operating System Cisco Ios Xe 3.1.1sg All All All
Operating System Cisco Ios Xe 3.1.2s All All All
Operating System Cisco Ios Xe 3.1.3s All All All
Operating System Cisco Ios Xe 3.1.4s All All All
Operating System Cisco Ios Xe 3.2.0s All All All
Operating System Cisco Ios Xe 3.2.1s All All All
Operating System Cisco Ios Xe 3.2.2s All All All
Operating System Cisco Ios Xe 3.3.0s All All All
Operating System Cisco Ios Xe 3.4.0s All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
osvdb.org/80695 af854a3a-2127-422b-91ae-364da2661108 osvdb.org
Cisco IOS Reverse SSH Remote Denial of Service Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
Cisco Security Advisory: Cisco IOS Software Reverse SSH Denial of Service Vulnerability af854a3a-2127-422b-91ae-364da2661108 tools.cisco.com Vendor Advisory
IBM X-Force Exchange af854a3a-2127-422b-91ae-364da2661108 exchange.xforce.ibmcloud.com
Security Advisory SA48641 - Cisco IOS XE Reverse SSH Login Denial of Service Vulnerability - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com
Security Advisory SA48609 - Cisco IOS Reverse SSH Login Denial of Service Vulnerability - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com
Cisco IOS Reverse SSHv2 Login Flaw Lets Remote Users Deny Service - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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