CVE-2017-6773

Description

A vulnerability in the CLI of Cisco ASR 5000 Series Aggregated Services Routers running the Cisco StarOS operating system could allow an authenticated, local attacker to bypass the CLI restrictions and execute commands on the underlying operating system. The vulnerability is due to insufficient input sanitization of user-supplied input at the CLI. An attacker could exploit this vulnerability by crafting a script on the device that will allow them to bypass built-in restrictions. An exploit could allow the unauthorized user to launch the CLI directly from a command shell. Cisco Bug IDs: CSCvd47722. Known Affected Releases: 21.0.v0.65839.

Category

6.7
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.05%
Vendor Advisory cisco.com
Affected: Cisco Systems, Inc. StarOS for ASR 5000 Series Aggregated Services Routers
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/100376 vdb entry third party advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170816-staros1 vendor advisory
http://www.securitytracker.com/id/1039181 vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2017-6773?
CVE-2017-6773 has been scored as a medium severity vulnerability.
How to fix CVE-2017-6773?
To fix CVE-2017-6773, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-6773 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-6773 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-6773?
CVE-2017-6773 affects Cisco Systems, Inc. StarOS for ASR 5000 Series Aggregated Services Routers.
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