Vulnerability identifier: #VU50063

Vulnerability risk: Medium

CVSSv3.1: 4.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-1277

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 perform a man-in-the-middle (MitM) attack.

The vulnerability exists due to missing validation of certificates. A remote attacker can use a specially crafted X.509 certificate, intercept communications and view and alter potentially sensitive information on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

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

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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.