CVE-2020-3357 is a critical vulnerability in the SSL VPN feature of Cisco Small Business RV340, RV340W, RV345, and RV345P Dual WAN Gigabit VPN Routers. This flaw, stemming from improper HTTP request validation, allows an unauthenticated, remote attacker to execute arbitrary code or cause a denial of service by sending a crafted HTTP request. With a CVSS score of 9.8 (Critical), the vulnerability is easily exploitable over the network with low attack complexity, potentially leading to complete compromise of confidentiality, integrity, and availability. While no active exploitation, public exploit code, or significant community discussion has been observed, its high FAUCET Risk Score of 84/100 indicates a significant threat.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.0.03.18CPE matchmatch criteria | cpe:2.3:o:cisco:rv340_dual_wan_gigabit_vpn_router_firmware:*:*:*:*:*:*:*:* | ||
< 1.0.03.18CPE matchmatch criteria | cpe:2.3:o:cisco:rv340w_dual_wan_gigabit_wireless-ac_vpn_router_firmware:*:*:*:*:*:*:*:* | ||
< 1.0.03.18CPE matchmatch criteria | cpe:2.3:o:cisco:rv345_dual_wan_gigabit_vpn_router_firmware:*:*:*:*:*:*:*:* | ||
< 1.0.03.18CPE matchmatch criteria | cpe:2.3:o:cisco:rv345p_dual_wan_gigabit_poe_vpn_router_firmware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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