CVE-2020-3385
MEDIUMCisco SD-WAN vEdge Routers - Unauthenticated Denial of Service via Malformed Packet Handling
Title source: llmDescription
A vulnerability in the deep packet inspection (DPI) engine of Cisco SD-WAN vEdge Routers could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected system. The vulnerability is due to insufficient handling of malformed packets. An attacker could exploit this vulnerability by sending crafted packets through an affected device. A successful exploit could allow the attacker to cause the device to reboot, 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-vedgfpdos-PkqQrnwV
Scores
CVSS v3
6.5
EPSS
0.0005
EPSS Percentile
16.5%
Attack Vector
ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-371
Status
published
Products (2)
cisco/sd-wan_firmware
< 18.3.0
cisco/vedge_cloud_router
Published
Jul 16, 2020
Tracked Since
Feb 18, 2026