CVE-2022-20696: Cisco SD-WAN vManage Software Unauthenticated Access to Messaging Services Vulnerability
First published: Thu Sep 08 2022(Updated: )
A vulnerability in the binding configuration of Cisco SD-WAN vManage Software containers could allow an unauthenticated, adjacent attacker who has access to the VPN0 logical network to also access the messaging service ports on an affected system. This vulnerability exists because the messaging server container ports on an affected system lack sufficient protection mechanisms. An attacker could exploit this vulnerability by connecting to the messaging service ports of the affected system. To exploit this vulnerability, the attacker must be able to send network traffic to interfaces within the VPN0 logical network. This network may be restricted to protect logical or physical adjacent networks, depending on device deployment configuration. A successful exploit could allow the attacker to view and inject messages into the messaging service, which can cause configuration changes or cause the system to reload.
Credit: ykramarz@cisco.com ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco Catalyst SD-WAN Manager | >=20.7<20.9.1 | |
| Cisco SD-WAN vManage | <20.6.4 |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2022-20696.
What is the severity of CVE-2022-20696?
The severity of CVE-2022-20696 is high (8.8).
What software is affected by CVE-2022-20696?
Cisco Catalyst SD-WAN Manager version 20.7 to 20.9.1 and Cisco SD-WAN vManage version up to 20.6.4 are affected by CVE-2022-20696.
How does CVE-2022-20696 allow unauthorized access?
CVE-2022-20696 allows an unauthenticated, adjacent attacker who has access to the VPN0 logical network to also access the messaging service ports on an affected system.
How do I fix CVE-2022-20696?
Apply the necessary patches or updates provided by Cisco to fix CVE-2022-20696.
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