HIGH · 7.5

CVE-2020-3369

A vulnerability in the deep packet inspection (DPI) engine of Cisco SD-WAN vEdge Routers could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected dev...

Vulnerability Description

A vulnerability in the deep packet inspection (DPI) engine of Cisco SD-WAN vEdge Routers could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to improper processing of FTP traffic. An attacker could exploit this vulnerability by sending crafted FTP packets through an affected device. A successful exploit could allow the attacker to make the device reboot continuously, causing a DoS condition.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
CiscoSd-Wan Firmware19.2.0
CiscoVedge 5000-
CiscoVedge Cloud Router-

Related Weaknesses (CWE)

References

FAQ

What is CVE-2020-3369?

CVE-2020-3369 is a vulnerability with a CVSS score of 7.5 (HIGH). A vulnerability in the deep packet inspection (DPI) engine of Cisco SD-WAN vEdge Routers could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected dev...

How severe is CVE-2020-3369?

CVE-2020-3369 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-3369?

Check the references section above for vendor advisories and patch information. Affected products include: Cisco Sd-Wan Firmware, Cisco Vedge 5000, Cisco Vedge Cloud Router.