Vulnerability Monitor

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CVE-2020-3385

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.

Published

2020-07-16T18:15:19.003

Last Modified

2024-11-21T05:30:55.590

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.5 (MEDIUM)

CVSSv2 Vector

AV:A/AC:L/Au:N/C:N/I:N/A:C

  • Access Vector: ADJACENT_NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: COMPLETE
Exploitability Score

6.5

Impact Score

6.9

Weaknesses
  • Type: Secondary
    CWE-371
  • Type: Primary
    NVD-CWE-noinfo
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System cisco sd-wan_firmware ≤ 18.3.0 Yes
Operating System cisco sd-wan_firmware < 18.4.5 Yes
Operating System cisco sd-wan_firmware < 19.2.3 Yes
Operating System cisco sd-wan_firmware < 20.1.1 Yes
Hardware cisco vedge_5000 - No
Application cisco vedge_cloud_router - Yes
References