Use of hard-coded credentials in Cisco Data Center Network Manager - CVE-2019-15976

 

Use of hard-coded credentials in Cisco Data Center Network Manager - CVE-2019-15976

Published: January 6, 2020 / Updated: June 17, 2021


Vulnerability identifier: #VU23967
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-15976
CWE-ID: CWE-798
Exploitation vector: Remote access
Exploit availability: Public exploit is available

Vulnerability details

The vulnerability allows a remote attacker to gain full access to vulnerable system.

The vulnerability exists in the SOAP API endpoint within the validation of SSO tokens of SOAP packets due to a static encryption key is shared between installations. A remote unauthenticated attacker can access the affected system using the static key to craft a valid session token and perform arbitrary actions through the SOAP API with administrative privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Affected software

Cisco Data Center Network Manager
Connectrix MDS-DCNM

How to mitigate CVE-2019-15976

Install updates from vendor's website.

Cisco Data Center Network Manager - update to 11.3.1
Connectrix MDS-DCNM - update to 11.3.1

Links to Public Exploits and PoC-codes

External References

Related Security Bulletins