CVE-2021-22138
Logstash TLS Certificate Validation Flaw
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.
INFO
Published Date :
May 13, 2021, 6:15 p.m.
Last Modified :
June 4, 2022, 2:56 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
1.4
Exploitability Score :
2.2
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-22138.
| URL | Resource |
|---|---|
| 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/ | Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-22138 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-22138 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Jun. 04, 2022
Action Type Old Value New Value Changed Reference Type https://security.netapp.com/advisory/ntap-20210629-0001/ No Types Assigned https://security.netapp.com/advisory/ntap-20210629-0001/ Third Party Advisory -
CVE Modified by [email protected]
Jun. 29, 2021
Action Type Old Value New Value Added Reference https://security.netapp.com/advisory/ntap-20210629-0001/ [No Types Assigned] -
Initial Analysis by [email protected]
May. 21, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:P/I:N/A:N) Added CVSS V3.1 NIST AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N Changed Reference Type https://discuss.elastic.co/t/elastic-stack-7-12-0-and-6-8-15-security-update/268125 No Types Assigned https://discuss.elastic.co/t/elastic-stack-7-12-0-and-6-8-15-security-update/268125 Vendor Advisory Added CWE NIST CWE-295 Added CPE Configuration OR *cpe:2.3:a:elastic:logstash:*:*:*:*:*:*:*:* versions from (including) 6.4.0 up to (excluding) 6.8.15 *cpe:2.3:a:elastic:logstash:*:*:*:*:*:*:*:* versions from (including) 7.0.0 up to (excluding) 7.12.0
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-22138 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-22138
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.06 }} 0.00%
score
0.26659
percentile