Path traversal in Cisco Systems, Inc products - CVE-2022-20850
Published: September 29, 2022
Vulnerability identifier: #VU67748
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-20850
CWE-ID: CWE-22
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences in the CLI of stand-alone. A local user can send a specially crafted HTTP request and delete arbitrary files on the system.
Affected software
Cisco SD-WAN
Cisco SD-WAN vBond Orchestrator
Cisco IOS XE SD-WAN
Cisco SD-WAN vEdge Routers
Catalyst SD-WAN Manager (formerly SD-WAN vManage)
Catalyst SD-WAN Controller (formerly SD-WAN vSmart)
Cisco SD-WAN vBond Orchestrator
Cisco IOS XE SD-WAN
Cisco SD-WAN vEdge Routers
Catalyst SD-WAN Manager (formerly SD-WAN vManage)
Catalyst SD-WAN Controller (formerly SD-WAN vSmart)
How to mitigate CVE-2022-20850
Install update from vendor's website.
Cisco SD-WAN - update to 18.4.5
Cisco IOS XE SD-WAN - update to 16.10.1
Cisco IOS XE SD-WAN - update to 16.10.1