Vulnerability identifier: #VU49888

Vulnerability risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-1255

CWE-ID: CWE-20

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 bypass security controls on the system.

The vulnerability exists due to an incorrect comparison in a denylist implementation. A remote authenticated attacker can send specially crafted network traffic and modify server configuration settings on the affected device.

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-api-path-TpTApx2p

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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