CVE-2020-3357 — Vulnetix

CVE-2020-3357 PUBLISHED CVSS 9.800000190734863 CRITICAL

A vulnerability in the Secure Sockets Layer (SSL) VPN feature of Cisco Small Business RV340, RV340W, RV345, and RV345P Dual WAN Gigabit VPN Routers could allow an unauthenticated, remote attacker to execute arbitrary code on an affected device or cause the device to reload, resulting in a denial of service (DoS) condition. The vulnerability exists because HTTP requests are not properly validated. An attacker could exploit this vulnerability by sending a crafted HTTP request over an SSL connection to an affected device. A successful exploit could allow the attacker to remotely execute arbitrary code on the device or cause the device to reload, resulting in a DoS condition.

EPSS 4.12% · 88.8th percentile

Risk Scores

CVSS 3.1

9.800000190734863

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Score

4.12%

88.8th percentile

Affected Products

Vendor	Product	Versions
Cisco	Cisco Small Business RV Series Router Firmware	n/a
cisco	rv340_dual_wan_gigabit_vpn_router_firmware	0
cisco	rv340w_dual_wan_gigabit_wireless-ac_vpn_router_firmware	0
cisco	rv345p_dual_wan_gigabit_poe_vpn_router_firmware	0
cisco	rv345_dual_wan_gigabit_vpn_router_firmware	0

Exploit Intelligence

20200715 Cisco RV340, RV340W, RV345, and RV345P Dual WAN Gigabit VPN Routers SSL Remote Code Execution and Denial of Service Vulnerability (circl)

Timeline

Jul 15, 2020 CVE Published
Apr 14, 2021 EPSS Score
Jun 23, 2021 EPSS Score
Oct 26, 2021 EPSS Score
Dec 27, 2021 EPSS Score
Jan 6, 2022 EPSS Score
Feb 4, 2022 EPSS Score
Apr 1, 2022 EPSS Score
May 1, 2022 EPSS Score
Jul 3, 2022 EPSS Score
Sep 4, 2022 EPSS Score
Jan 8, 2023 EPSS Score

References

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