Deserialization of Untrusted Data in Cisco Systems, Inc products - CVE-2019-15271
Published: November 8, 2019 / Updated: June 8, 2022
Vulnerability identifier: #VU22600
CSH Severity: High
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-15271
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to insecure input validation when processing serialized data in the web-based management interface. A remote authenticated attacker can send a specially crafted HTTP request to the targeted device and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
Cisco RV082 Dual WAN VPN Router
Cisco RV016 Multi-WAN VPN Router
Cisco RV042 Dual WAN VPN Router
Cisco RV042G Dual Gigabit WAN VPN Router
Cisco RV016 Multi-WAN VPN Router
Cisco RV042 Dual WAN VPN Router
Cisco RV042G Dual Gigabit WAN VPN Router
How to mitigate CVE-2019-15271
Install updates from vendor's website.
Cisco RV082 Dual WAN VPN Router - update to 4.2.3.10
Cisco RV016 Multi-WAN VPN Router - update to 4.2.3.10
Cisco RV042 Dual WAN VPN Router - update to 4.2.3.10
Cisco RV042G Dual Gigabit WAN VPN Router - update to 4.2.3.10
Cisco RV016 Multi-WAN VPN Router - update to 4.2.3.10
Cisco RV042 Dual WAN VPN Router - update to 4.2.3.10
Cisco RV042G Dual Gigabit WAN VPN Router - update to 4.2.3.10