CVE-2021-22138
Published May 13, 2021
Last updated 2 years ago
Overview
- Description
- In Logstash versions after 6.4.0 and before 6.8.15 and 7.12.0 a TLS certificate validation flaw was found in the monitoring feature. When specifying a trusted server CA certificate Logstash would not properly verify the certificate returned by the monitoring server. This could result in a man in the middle style attack against the Logstash monitoring data.
- Source
- bressers@elastic.co
- NVD status
- Analyzed
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 3.7
- Impact score
- 1.4
- Exploitability score
- 2.2
- Vector string
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
- Severity
- LOW
CVSS 2.0
- Type
- Primary
- Base score
- 4.3
- Impact score
- 2.9
- Exploitability score
- 8.6
- Vector string
- AV:N/AC:M/Au:N/C:P/I:N/A:N
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:elastic:logstash:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "AF51983B-CF75-4CFE-8E8F-C535086AA57B",
"versionEndExcluding": "6.8.15",
"versionStartIncluding": "6.4.0"
},
{
"criteria": "cpe:2.3:a:elastic:logstash:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "1BD39C4B-52DA-4EE2-B2A5-4CFBC8924EE0",
"versionEndExcluding": "7.12.0",
"versionStartIncluding": "7.0.0"
}
],
"operator": "OR"
}
]
}
]