Vulnerability identifier: #VU14644

Vulnerability risk: Low

CVSSv3.1: 3.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-0434

CWE-ID: CWE-300

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Cisco SD-WAN
Client/Desktop applications / Virtualization software

Vendor: Cisco Systems, Inc

Description

The vulnerability allows a remote attacker to conduct man-in-the-middle attack.

The vulnerability exists in the Zero Touch Provisioning feature of the Cisco SD-WAN Solution due to insufficient certificate validation. A remote attacker can supply a specially crafted certificate, conduct man-in-the-middle attacks and decrypt confidential information on user connections to the affected software.

Mitigation
Update to version 18.3.0.

Vulnerable software versions

Cisco SD-WAN: 18.2.0

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External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180905-sd-wan-valid...

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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