Information disclosure in Cisco SD-WAN vManage Software

1) Improper Neutralization of Special Elements in Data Query Logic

EUVDB-ID: #VU56870

Risk: Medium

CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-34712

CWE-ID: CWE-943 - Improper Neutralization of Special Elements in Data Query Logic

Exploit availability: No

Description

The vulnerability allows a remote attacker can conduct cypher query language injection attack on the system. 

The vulnerability exists due to insufficient input validation by the web-based management interface. A remote authenticated attacker can send a specially crafted HTTP request and obtain sensitive information. 

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cisco SD-WAN vManage: 18.4.0 - 20.6

External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sd-wan-jOsuRJCc

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.