#VU50062 Improper Certificate Validation in Cisco Data Center Network Manager


Published: 2021-01-20 | Updated: 2021-01-27

Vulnerability identifier: #VU50062

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-1276

CWE-ID: CWE-295

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Cisco Data Center Network Manager
Server applications / Remote management servers, RDP, SSH

Vendor:

Description

The vulnerability allows a remote attacker to modify a specific API request that is used to verify a user's authentication token.

The vulnerability exists due to a lack of validation of the SSL certificate used when establishing a connection to the Device Manager application. A remote attacker can send a specially crafted HTTP request and alter a specific API request.

Mitigation
Install updates from vendor's website.

Vulnerable software versions


External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-dcnm-cert-check-BdZZV9T3


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability