cve-2020-3208
Vulnerability from cvelistv5
Published
2020-06-03 17:40
Modified
2024-11-15 17:18
Severity ?
EPSS score ?
Summary
A vulnerability in the image verification feature of Cisco IOS Software for Cisco 809 and 829 Industrial Integrated Services Routers (Industrial ISRs) could allow an authenticated, local attacker to boot a malicious software image on an affected device. The vulnerability is due to insufficient access restrictions on the area of code that manages the image verification feature. An attacker could exploit this vulnerability by first authenticating to the targeted device and then logging in to the Virtual Device Server (VDS) of an affected device. The attacker could then, from the VDS shell, disable Cisco IOS Software integrity (image) verification. A successful exploit could allow the attacker to boot a malicious Cisco IOS Software image on the targeted device. To exploit this vulnerability, the attacker must have valid user credentials at privilege level 15.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| ▼ | Cisco | Cisco IOS 12.2(60)EZ16 |
Version: n/a |
|
|
|||
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"descriptions": "[{\"lang\": \"en\", \"value\": \"A vulnerability in the image verification feature of Cisco IOS Software for Cisco 809 and 829 Industrial Integrated Services Routers (Industrial ISRs) could allow an authenticated, local attacker to boot a malicious software image on an affected device. The vulnerability is due to insufficient access restrictions on the area of code that manages the image verification feature. An attacker could exploit this vulnerability by first authenticating to the targeted device and then logging in to the Virtual Device Server (VDS) of an affected device. The attacker could then, from the VDS shell, disable Cisco IOS Software integrity (image) verification. A successful exploit could allow the attacker to boot a malicious Cisco IOS Software image on the targeted device. To exploit this vulnerability, the attacker must have valid user credentials at privilege level 15.\"}, {\"lang\": \"es\", \"value\": \"Una vulnerabilidad en la funcionalidad image verification de Cisco IOS Software para Cisco 809 y 829 Industrial Integrated Services Routers (Industrial ISRs), podr\\u00eda permitir a un atacante local autenticado iniciar una imagen de software malicioso sobre un dispositivo afectado. La vulnerabilidad es debido a restricciones de acceso insuficientes en el \\u00e1rea de c\\u00f3digo que administra la funcionalidad image verification. Un atacante podr\\u00eda explotar esta vulnerabilidad al autenticarse primero en el dispositivo objetivo y luego iniciar sesi\\u00f3n en el Virtual Device Server (VDS) de un dispositivo afectado. El atacante podr\\u00eda, desde el shell de VDS, deshabilitar la verificaci\\u00f3n de integridad (imagen) de Cisco IOS Software. Una explotaci\\u00f3n con \\u00e9xito podr\\u00eda permitir al atacante iniciar una imagen maliciosa del Cisco IOS Software en el dispositivo objetivo. Para explotar esta vulnerabilidad, el atacante debe tener credenciales de usuario v\\u00e1lidas en el nivel de privilegio 15.\"}]",
"id": "CVE-2020-3208",
"lastModified": "2024-11-21T05:30:33.767",
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"published": "2020-06-03T18:15:18.870",
"references": "[{\"url\": \"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-ir800-img-verif-wHhLYHjK\", \"source\": \"ykramarz@cisco.com\", \"tags\": [\"Patch\", \"Vendor Advisory\"]}, {\"url\": \"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-ir800-img-verif-wHhLYHjK\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\", \"Vendor Advisory\"]}]",
"sourceIdentifier": "ykramarz@cisco.com",
"vulnStatus": "Modified",
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"dataType": "CVE_RECORD",
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}
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.