Vulnerability Details : CVE-2021-22139
Kibana versions before 7.12.1 contain a denial of service vulnerability was found in the webhook actions due to a lack of timeout or a limit on the request size. An attacker with permissions to create webhook actions could drain the Kibana host connection pool, making Kibana unavailable for all other users.
Vulnerability category: Denial of service
Products affected by CVE-2021-22139
- cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-22139
0.39%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 57 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-22139
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.0
|
MEDIUM | AV:N/AC:L/Au:S/C:N/I:N/A:P |
8.0
|
2.9
|
NIST | |
|
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2021-22139
-
The product does not properly control the allocation and maintenance of a limited resource.Assigned by:
- bressers@elastic.co (Secondary)
- nvd@nist.gov (Primary)
References for CVE-2021-22139
-
https://discuss.elastic.co/t/7-12-1-security-update/271433
7.12.1 Security Update - Announcements / Security Announcements - Discuss the Elastic StackVendor Advisory
Jump to