Privilege escalation in Cisco SD-WAN - CVE-2019-1648
Published: January 25, 2019
Vulnerability identifier: #VU17223
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-1648
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Cisco Systems, Inc
Affected software:
Cisco SD-WAN
Cisco SD-WAN
Detailed vulnerability description
The vulnerability allows a local authenticated attacker to gain elevated privileges on an affected device.
The vulnerability exists due to a failure to properly validate certain parameters included within the group configuration. A local authenticated attacker can write a specially crafted file to the directory where the user group configuration is located in the underlying operating system and gain root-level privileges and take full control of the device.
How to mitigate CVE-2019-1648
Update to version 18.4.0.