Vulnerability Details : CVE-2021-22138
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.
Products affected by CVE-2021-22138
- cpe:2.3:a:elastic:logstash:*:*:*:*:*:*:*:*
- cpe:2.3:a:elastic:logstash:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-22138
0.07%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 27 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-22138
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:N/A:N |
8.6
|
2.9
|
NIST | |
|
3.7
|
LOW | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N |
2.2
|
1.4
|
NIST |
CWE ids for CVE-2021-22138
-
The product does not validate, or incorrectly validates, a certificate.Assigned by:
- bressers@elastic.co (Secondary)
- nvd@nist.gov (Primary)
References for CVE-2021-22138
-
https://security.netapp.com/advisory/ntap-20210629-0001/
CVE-2021-22138 Logstash Vulnerability in NetApp Products | NetApp Product SecurityThird Party Advisory
-
https://discuss.elastic.co/t/elastic-stack-7-12-0-and-6-8-15-security-update/268125
Elastic Stack 7.12.0 and 6.8.15 Security Update - Announcements / Security Announcements - Discuss the Elastic StackVendor Advisory
Jump to