Information disclosure in Catalyst SD-WAN Manager (formerly SD-WAN vManage) - CVE-2021-1486
Published: May 6, 2021
Vulnerability identifier: #VU52910
CSH Severity: Low
CVSS v4: 6.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-1486
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to improper handling of HTTP headers. A remote attacker can send specially crafted HTTP requests and enumerate user accounts based on responses sent by the application.
Affected software
Catalyst SD-WAN Manager (formerly SD-WAN vManage)
How to mitigate CVE-2021-1486
Install updates from vendor's website.
Catalyst SD-WAN Manager (formerly SD-WAN vManage) - addressed in versions 20.3.3, 20.4.1