Vulnerability identifier: #VU630

Vulnerability risk: Low

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2016-6410

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Cisco IOS
Operating systems & Components / Operating system
Cisco IOS XR
Operating systems & Components / Operating system
Cisco IOS XE
Operating systems & Components / Operating system

Vendor: Cisco Systems, Inc

Description
The vulnerability allows a remote authenticated user to obtain potentially sensitive information.
The weakness is caused by improper input validation. To exploit the vulnerability attackers can send specially crafted data that invokes input validation flaw and allows to view arbitrary files.
Successful exploitation of the vulnerability may result in information disclosure.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Cisco IOS: 12.0 - 15.2.4 ea

Cisco IOS XR: 5.1.0 - 6.0.1

Cisco IOS XE: 3.15S - 3.17S

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External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160921-caf

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.