Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2020-35498

A vulnerability was found in openvswitch. A limitation in the implementation of userspace packet parsing can allow a malicious user to send a specially crafted packet causing the resulting megaflow in the kernel to be too wide, potentially causing a denial of service. The highest threat from this vulnerability is to system availability.

Published

2021-02-11T18:15:15.677

Last Modified

2025-04-23T20:15:20.000

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

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

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

10.0

Impact Score

6.9

Weaknesses
  • Type: Primary
    CWE-400
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application openvswitch openvswitch < 2.5.12 Yes
Application openvswitch openvswitch < 2.6.10 Yes
Application openvswitch openvswitch < 2.7.13 Yes
Application openvswitch openvswitch < 2.8.11 Yes
Application openvswitch openvswitch < 2.9.9 Yes
Application openvswitch openvswitch < 2.10.7 Yes
Application openvswitch openvswitch < 2.11.6 Yes
Application openvswitch openvswitch < 2.12.3 Yes
Application openvswitch openvswitch < 2.13.3 Yes
Application openvswitch openvswitch < 2.14.2 Yes
Operating System debian debian_linux 9.0 Yes
Operating System debian debian_linux 10.0 Yes
Operating System fedoraproject fedora 33 Yes
References