National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2017-6795 Detail

Current Description

A vulnerability in the USB-modem code of Cisco IOS XE Software running on Cisco ASR 920 Series Aggregation Services Routers could allow an authenticated, local attacker to overwrite arbitrary files on the underlying operating system of an affected device. The vulnerability is due to improper input validation of the platform usb modem command in the CLI of the affected software. An attacker could exploit this vulnerability by modifying the platform usb modem command in the CLI of an affected device. A successful exploit could allow the attacker to overwrite arbitrary files on the underlying operating system of an affected device. Cisco Bug IDs: CSCvf10783.

Source:  MITRE
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 4.4 MEDIUM
Vector: AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N (V3.0 legend)
Impact Score: 3.6
Exploitability Score: 0.8


Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): High
Availability (A): None

CVSS v2.0 Severity and Metrics:

Base Score: 4.7 MEDIUM
Vector: (AV:L/AC:M/Au:N/C:N/I:C/A:N) (V2 legend)
Impact Subscore: 6.9
Exploitability Subscore: 3.4


Access Vector (AV): Local
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): None
Integrity (I): Complete
Availability (A): None
Additional Information:
Allows unauthorized modification

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.securityfocus.com/bid/100656 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1039282 Third Party Advisory VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170906-asr920-2 Vendor Advisory

Technical Details

Vulnerability Type (View All)

  • Improper Input Validation (CWE-20)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:o:cisco:ios_xe:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
Running on/with
 cpe:2.3:h:cisco:asr-920-10sz-pd:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:h:cisco:asr-920-12cz-a:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:h:cisco:asr-920-12sz-im:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:h:cisco:asr-920-24sz-im:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:h:cisco:asr-920-24sz-m:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:h:cisco:asr-920-24tz-m:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:h:cisco:asr-920-4sz-d:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:h:cisco:asr_920-12cz-d:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:h:cisco:asr_920-4sz-a:-:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

3 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-6795
NVD Published Date:
09/07/2017
NVD Last Modified:
09/21/2017