CVE-2021-34712: Cisco SD-WAN vManage Software Cypher Query Language Injection Vulnerability

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-09-23 · updated 2026-06-17
Weakness: CWE-943

Description

A vulnerability in the web-based management interface of Cisco SD-WAN vManage Software could allow an authenticated, remote attacker to conduct cypher query language injection attacks on an affected system. This vulnerability is due to insufficient input validation by the web-based management interface. An attacker could exploit this vulnerability by sending crafted HTTP requests to the interface of an affected system. A successful exploit could allow the attacker to obtain sensitive information.

Affected products

Cisco Catalyst SD-WAN Manager: from 20.4 through 20.4.2; 20.5, 20.6
Cisco Sd-Wan Vmanage: from 20.3 before 20.3.4 — fixed in 20.3.4

How to fix

Upgrade to a fixed version: Cisco Sd-Wan Vmanage 20.3.4. Check the vendor advisory for mitigations.

References

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