Improper Authorization in Cisco SD-WAN vManage - CVE-2021-1234

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Main Vulnerability Database Vulnerabilities #VU52912

Improper Authorization in Cisco SD-WAN vManage - CVE-2021-1234

Published: May 6, 2021


Vulnerability identifier: #VU52912
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-1234
CWE-ID: CWE-285
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Cisco Systems, Inc
Affected software:
Cisco SD-WAN vManage

Detailed vulnerability description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to absence of authentication for sensitive information in the cluster management interface. A remote attacker can send a specially crafted request to the management interface and gain access to sensitive information.

Note, successful exploitation of the vulnerability requires that vManage software is in cluster mode.


How to mitigate CVE-2021-1234

Install updates from vendor's website.

Sources