CVE-2021-35342
Mender Enterprise JWT Token Invalidation Vulnerability
Description
The useradm service 1.14.0 (in Northern.tech Mender Enterprise 2.7.x before 2.7.1) and 1.13.0 (in Northern.tech Mender Enterprise 2.6.x before 2.6.1) allows users to access the system with their JWT token after logout, because of missing invalidation (if the JWT verification cache is enabled).
INFO
Published Date :
Aug. 27, 2021, 10:15 a.m.
Last Modified :
Nov. 21, 2024, 6:12 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source | 
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | HIGH | [email protected] | 
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-2021-35342.
                                        
| URL | Resource | 
|---|---|
| https://mender.io/blog/cve-2021-35342-useradm-logout-vulnerabililty | Third Party Advisory | 
| https://northern.tech/our-products | Product Vendor Advisory | 
| https://mender.io/blog/cve-2021-35342-useradm-logout-vulnerabililty | Third Party Advisory | 
| https://northern.tech/our-products | Product Vendor Advisory | 
CWE - Common Weakness Enumeration
            While CVE identifies
            specific instances of vulnerabilities, CWE categorizes the common flaws or
            weaknesses that can lead to vulnerabilities. CVE-2021-35342 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-2021-35342
            weaknesses.
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-2021-35342 vulnerability anywhere in the article.
		
                The following table lists the changes that have been made to the
                CVE-2021-35342 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 af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://mender.io/blog/cve-2021-35342-useradm-logout-vulnerabililty Added Reference https://northern.tech/our-products  - 
                            
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value  - 
                            
Initial Analysis by [email protected]
Sep. 01, 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:L/PR:N/UI:N/S:U/C:H/I:N/A:N Changed Reference Type https://mender.io/blog/cve-2021-35342-useradm-logout-vulnerabililty No Types Assigned https://mender.io/blog/cve-2021-35342-useradm-logout-vulnerabililty Third Party Advisory Changed Reference Type https://northern.tech/our-products No Types Assigned https://northern.tech/our-products Product, Vendor Advisory Added CWE NIST CWE-613 Added CPE Configuration AND OR *cpe:2.3:a:northern.tech:useradm:1.14.0:*:*:*:*:*:*:* OR cpe:2.3:a:northern.tech:mender:*:*:*:*:enterprise:*:*:* versions from (including) 2.7.0 up to (excluding) 2.7.1 Added CPE Configuration AND OR *cpe:2.3:a:northern.tech:useradm:1.13.0:*:*:*:*:*:*:* OR cpe:2.3:a:northern.tech:mender:*:*:*:*:enterprise:*:*:* versions from (including) 2.6.0 up to (excluding) 2.6.1  
Vulnerability Scoring Details
Base CVSS Score: 7.5
Base CVSS Score: 4.3
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.21 }} -0.15%
score
0.43524
percentile