CVE-2020-3358
HIGHCisco RV340 RV340W RV345 RV345P Firmware < 1.0.03.18 - Unauthenticated Denial of Service via SSL VPN HTTP Request
Title source: llmDescription
A vulnerability in the Secure Sockets Layer (SSL) VPN feature for Cisco Small Business RV VPN Routers could allow an unauthenticated, remote attacker to cause the device to unexpectedly restart, causing a denial of service (DoS) condition. The vulnerability is due to a lack of proper input validation of HTTP requests. An attacker could exploit this vulnerability by sending a crafted HTTP request over an SSL connection to the targeted device. A successful exploit could allow the attacker to cause a reload, resulting in a DoS condition.
References (1)
Core 1
Core References
Vendor Advisory vendor-advisory
x_refsource_cisco
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sb-dos-ZN5GvNH7
Scores
CVSS v3
8.6
EPSS
0.0020
EPSS Percentile
41.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-20
Status
published
Products (4)
cisco/rv340_dual_wan_gigabit_vpn_router_firmware
< 1.0.03.18
cisco/rv340w_dual_wan_gigabit_wireless-ac_vpn_router_firmware
< 1.0.03.18
cisco/rv345_dual_wan_gigabit_vpn_router_firmware
< 1.0.03.18
cisco/rv345p_dual_wan_gigabit_poe_vpn_router_firmware
< 1.0.03.18
Published
Jul 16, 2020
Tracked Since
Feb 18, 2026