CVE-2021-1535 Cisco SD-WAN vManage Information Disclosure Vulnerability

Medium 5.3 Published 6 May 2021 Updated 8 Nov 2024

Unauthenticated attackers can view sensitive information via the cluster management interface when the system is in cluster mode.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2021-1535?

CVE-2021-1535 is a medium-severity vulnerability in Cisco SD-WAN vManage, published on 6 May 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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 Cisco SD-WAN 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 allow the attacker to view sensitive information on the affected system.

Weakness: CWE-497

Which versions are affected by CVE-2021-1535?

It affects 1 product.

Products include Cisco Sd-Wan Vmanage.

How do I fix CVE-2021-1535?

No fix has been published for CVE-2021-1535 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-1535 being exploited?

There is no known exploitation of CVE-2021-1535 in the wild and no public exploit code.

Sources

Also known as GHSA-w33v-4593-fj4h.