What is the severity of CVE-2021-1234?

CVE-2021-1234 is rated as high severity due to its potential to allow unauthorized access to sensitive information.

How do I fix CVE-2021-1234?

To address CVE-2021-1234, ensure your Cisco SD-WAN vManage Software is updated to the latest secure version that mitigates the vulnerability.

What is the impact of CVE-2021-1234?

CVE-2021-1234 allows unauthenticated, remote attackers to view sensitive information on systems running the affected version of the software.

Which versions of Cisco SD-WAN vManage Software are affected by CVE-2021-1234?

CVE-2021-1234 affects Cisco SD-WAN vManage Software specifically when it is operating in cluster mode.

Is authentication required to exploit CVE-2021-1234?

No, CVE-2021-1234 can be exploited by unauthenticated remote attackers.

Vulnerability/
CVE-2021-1234

medium

5.3

CWE

497

18/11/2024

CVE-2021-1234: Cisco SD-WAN vManage Information Disclosure Vulnerabilities

First published: Mon Nov 18 2024(Updated: )

A vulnerability in the cluster management interface of Cisco SD-WAN vManage Software could allow an unauthenticated, remote attacker to view sensitive information on an affected system. To be affected by this vulnerability, the vManage software must be in cluster mode. This vulnerability is due to the absence of authentication for sensitive information in the cluster management interface. An attacker could exploit this vulnerability by sending a crafted request to the cluster management interface of an affected system. A successful exploit could allow the attacker to view sensitive information on the affected system.Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

Credit: ykramarz@cisco.com

Affected Software	Affected Version	How to fix
Cisco SD-WAN vManage

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Reference Links

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-vmaninfdis3-OvdR6uu8

Frequently Asked Questions

What is the severity of CVE-2021-1234?
CVE-2021-1234 is rated as high severity due to its potential to allow unauthorized access to sensitive information.
How do I fix CVE-2021-1234?
To address CVE-2021-1234, ensure your Cisco SD-WAN vManage Software is updated to the latest secure version that mitigates the vulnerability.
What is the impact of CVE-2021-1234?
CVE-2021-1234 allows unauthenticated, remote attackers to view sensitive information on systems running the affected version of the software.
Which versions of Cisco SD-WAN vManage Software are affected by CVE-2021-1234?
CVE-2021-1234 affects Cisco SD-WAN vManage Software specifically when it is operating in cluster mode.
Is authentication required to exploit CVE-2021-1234?
No, CVE-2021-1234 can be exploited by unauthenticated remote attackers.

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