CVE-2021-34765 Cisco Nexus Insights Authenticated Information Disclosure Vulnerability
Authenticated attackers can bypass RBAC filters to download sensitive files from the Cisco Nexus Insights web UI.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-34765?
CVE-2021-34765 is a medium-severity missing authorization vulnerability in Cisco Nexus Insights, published on 2 Sep 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability in the web UI for Cisco Nexus Insights could allow an authenticated, remote attacker to view and download files related to the web application. The attacker requires valid device credentials. This vulnerability exists because proper role-based access control (RBAC) filters are not applied to file download actions. An attacker could exploit this vulnerability by logging in to the application and then navigating to the directory listing and download functions. A successful exploit could allow the attacker to download sensitive files that should be restricted, which could result in disclosure of sensitive information.
Weakness: CWE-552
Which versions are affected by CVE-2021-34765?
It affects 1 product.
Products include Cisco Nexus Insights.
How do I fix CVE-2021-34765?
No fix has been published for CVE-2021-34765 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2021-34765 being exploited?
There is no known exploitation of CVE-2021-34765 in the wild and no public exploit code.
Sources
Also known as GHSA-4wpv-93cp-fchh.