CVE-2021-22138
CVSS V2 Medium 4.3
CVSS V3 Low 3.7
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.
Overview
- CVE ID
- CVE-2021-22138
- Assigner
- bressers@elastic.co
- Vulnerability Status
- Analyzed
- Published Version
- 2021-05-13T18:15:09
- Last Modified Date
- 2022-06-04T02:56:05
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:elastic:logstash:*:*:*:*:*:*:*:* | 1 | OR | 6.4.0 | 6.8.15 |
| cpe:2.3:a:elastic:logstash:*:*:*:*:*:*:*:* | 1 | OR | 7.0.0 | 7.12.0 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:N/C:P/I:N/A:N
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- NONE
- Availability Impact
- NONE
- Base Score
- 4.3
- Severity
- MEDIUM
- Exploitability Score
- 8.6
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- HIGH
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- LOW
- Availability Impact
- NONE
- Base Score
- 3.7
- Base Severity
- LOW
- Exploitability Score
- 2.2
- Impact Score
- 1.4
References
| Reference URL | Reference Tags |
|---|---|
| https://discuss.elastic.co/t/elastic-stack-7-12-0-and-6-8-15-security-update/268125 | Vendor Advisory |
| https://security.netapp.com/advisory/ntap-20210629-0001/ |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-22138 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-22138 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:09:40 | Added to TrackCVE | |||
| 2022-12-05 02:14:44 | security@elastic.co | bressers@elastic.co | CVE Assigner | updated |
| 2022-12-05 02:14:44 | 2021-05-13T18:15Z | 2021-05-13T18:15:09 | CVE Published Date | updated |
| 2022-12-05 02:14:44 | 2022-06-04T02:56:05 | CVE Modified Date | updated | |
| 2022-12-05 02:14:44 | Analyzed | Vulnerability Status | updated |