Improper Authorization in Catalyst SD-WAN Manager (formerly SD-WAN vManage) - CVE-2021-1535
Published: May 6, 2021
Vulnerability identifier: #VU52913
CSH Severity: Medium
CVSS v4: 6.9 [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]
CVE-ID: CVE-2021-1535
CWE-ID: CWE-285
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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 non-authenticated attacker can send a specially crafted request to the cluster management interface and gain access to sensitive information.
To exploit the vulnerability the vManage Software must be in cluster mode.
Affected software
Catalyst SD-WAN Manager (formerly SD-WAN vManage)
How to mitigate CVE-2021-1535
Install updates from vendor's website.
Catalyst SD-WAN Manager (formerly SD-WAN vManage) - update to 20.5.1