Command Injection in Cisco SD-WAN



Published: 2020-01-27
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-12629
CWE-ID CWE-77
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Cisco SD-WAN
Client/Desktop applications / Virtualization software

Vendor Cisco Systems, Inc

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Command Injection

EUVDB-ID: #VU24683

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-12629

CWE-ID: CWE-77 - Improper Neutralization of Special Elements used in a Command ('Command Injection')

Exploit availability: No

Description

The vulnerability allows a remote user to execute arbitrary commands.

The vulnerability exists due to insufficient input validation of data parameters for certain fields in the affected solution. A remote user can configure a malicious username on the login page and inject and execute arbitrary commands on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cisco SD-WAN: before 18.3.0


CPE2.3 External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20200122-sdwan-cmd-inject

Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to open a a specially crafted file.

Is there known malware, which exploits this vulnerability?

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



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