Overview
- Description
- A security issue was discovered in Kubernetes where a user may be able to redirect pod traffic to private networks on a Node. Kubernetes already prevents creation of Endpoint IPs in the localhost or link-local range, but the same validation was not performed on EndpointSlice IPs.
- Source
- jordan@liggitt.net
- NVD status
- Analyzed
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 4.8
- Impact score
- 2.7
- Exploitability score
- 1.7
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
- Severity
- MEDIUM
CVSS 2.0
- Type
- Primary
- Base score
- 4.9
- Impact score
- 4.9
- Exploitability score
- 6.8
- Vector string
- AV:N/AC:M/Au:S/C:P/I:P/A:N
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "1B86E916-8D46-49BD-BF24-ED83D2ECFB28",
"versionEndExcluding": "1.18.19",
"versionStartIncluding": "1.16.0"
},
{
"criteria": "cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "54F99BEF-703E-43C0-846C-AB9EECE134A9",
"versionEndExcluding": "1.19.10",
"versionStartIncluding": "1.19.0"
},
{
"criteria": "cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "9649E8E5-DDA2-408F-9221-19E853704497",
"versionEndExcluding": "1.20.7",
"versionStartIncluding": "1.20.0"
},
{
"criteria": "cpe:2.3:a:kubernetes:kubernetes:1.21.0:-:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "F9AF80B0-93B1-4129-BCB7-BF93F13FC880"
}
],
"operator": "OR"
}
]
}
]