Information disclosure in Cisco SD-WAN vManage Software

1) Improper Neutralization of Special Elements in Data Query Logic

EUVDB-ID: #VU56870

Risk: Medium

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

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

CPE2.3

• cpe:2.3:a:cisco_systems:cisco_sd-wan_vmanage:18.4.0:*:*:*:*:*:*:*
• cpe:2.3:a:cisco_systems:cisco_sd-wan_vmanage:19.2:*:*:*:*:*:*:*
• cpe:2.3:a:cisco_systems:cisco_sd-wan_vmanage:20.3.0:*:*:*:*:*:*:*

External links

https://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.