Vulnerability Monitor

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CVE-2021-3499

A vulnerability was found in OVN Kubernetes in versions up to and including 0.3.0 where the Egress Firewall does not reliably apply firewall rules when there is multiple DNS rules. It could lead to potentially lose of confidentiality, integrity or availability of a service.

Published

2021-06-02T16:15:10.320

Last Modified

2024-11-21T06:21:41.413

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.6 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: PARTIAL
Exploitability Score

8.6

Impact Score

6.4

Weaknesses
  • Type: Primary
    CWE-863
  • Type: Secondary
    CWE-863
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application ovn ovn-kubernetes ≤ 0.3.0 Yes
References