CVE-2021-3499
Published Jun 2, 2021
Last updated 2 years ago
Overview
- Description
- 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.
- Source
- secalert@redhat.com
- NVD status
- Modified
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 5.6
- Impact score
- 3.4
- Exploitability score
- 2.2
- Vector string
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
- Severity
- MEDIUM
CVSS 2.0
- Type
- Primary
- Base score
- 6.8
- Impact score
- 6.4
- Exploitability score
- 8.6
- Vector string
- AV:N/AC:M/Au:N/C:P/I:P/A:P
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:ovn:ovn-kubernetes:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "0CD8D000-5096-4239-B38F-A753F4B5189D",
"versionEndIncluding": "0.3.0"
}
],
"operator": "OR"
}
]
}
]