FKIE_CVE-2012-0386
Vulnerability from fkie_nvd - Published: 2012-03-29 11:01 - Updated: 2026-06-16 23:37
Severity
Summary
The 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.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| cisco | ios | 12.2 | |
| cisco | ios | 12.4 | |
| cisco | ios | 15.0 | |
| cisco | ios | 15.1 | |
| cisco | ios | 15.2 | |
| cisco | ios_xe | 2.3 | |
| cisco | ios_xe | 2.3.0 | |
| cisco | ios_xe | 2.3.1 | |
| cisco | ios_xe | 2.3.1t | |
| cisco | ios_xe | 2.3.2 | |
| cisco | ios_xe | 2.4 | |
| cisco | ios_xe | 2.4.0 | |
| cisco | ios_xe | 2.4.1 | |
| cisco | ios_xe | 2.4.2 | |
| cisco | ios_xe | 2.4.3 | |
| cisco | ios_xe | 2.4.4 | |
| cisco | ios_xe | 2.5.0 | |
| cisco | ios_xe | 2.5.1 | |
| cisco | ios_xe | 2.5.2 | |
| cisco | ios_xe | 2.6.0 | |
| cisco | ios_xe | 2.6.1 | |
| cisco | ios_xe | 2.6.2 | |
| cisco | ios_xe | 3.1.0s | |
| cisco | ios_xe | 3.1.0sg | |
| cisco | ios_xe | 3.1.1s | |
| cisco | ios_xe | 3.1.1sg | |
| cisco | ios_xe | 3.1.2s | |
| cisco | ios_xe | 3.1.3s | |
| cisco | ios_xe | 3.1.4s | |
| cisco | ios_xe | 3.2.0s | |
| cisco | ios_xe | 3.2.1s | |
| cisco | ios_xe | 3.2.2s | |
| cisco | ios_xe | 3.3.0s | |
| cisco | ios_xe | 3.4.0s |
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"value": "The 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."
},
{
"lang": "es",
"value": "La implementaci\u00f3n de SSHv2 en Cisco IOS v12.2, v12.4, v15.0, v15.1 y v15.2 y en IOS XE v2.3.x a v2.6.x y v3.1.xS a 3.4.xS antes de v3.4.2S permite a atacantes remotos causar una denegaci\u00f3n de servicio (reinicio del dispositivo ) a trav\u00e9s de un nombre de usuario modificado en un intento de conexi\u00f3n SSH inverso. Se trata de un problema tambi\u00e9n como Bug ID CSCtr49064 ."
}
],
"id": "CVE-2012-0386",
"lastModified": "2026-06-16T23:37:11.570",
"metrics": {
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"baseSeverity": "HIGH",
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"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 7.8,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
"version": "2.0"
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"exploitabilityScore": 10.0,
"impactScore": 6.9,
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"source": "nvd@nist.gov",
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"published": "2012-03-29T11:01:16.277",
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"url": "http://osvdb.org/80695"
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}
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Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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