CVE-2021-21695
Jenkins Symbolic Link File Access Vulnerability
Description
FilePath#listFiles lists files outside directories that agents are allowed to access when following symbolic links in Jenkins 2.318 and earlier, LTS 2.303.2 and earlier.
INFO
Published Date :
Nov. 4, 2021, 5:15 p.m.
Last Modified :
Nov. 22, 2023, 9:22 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
2.8
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-2021-21695.
| URL | Resource |
|---|---|
| http://www.openwall.com/lists/oss-security/2021/11/04/3 | Mailing List Third Party Advisory |
| https://www.jenkins.io/security/advisory/2021-11-04/#SECURITY-2455 | Vendor 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-2021-21695 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-21695 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]
Nov. 22, 2023
Action Type Old Value New Value -
CVE Modified by [email protected]
Oct. 25, 2023
Action Type Old Value New Value Removed CWE Jenkins Project CWE-862 Removed CWE Reason CWE-862 / More specific CWE option available -
Reanalysis by [email protected]
Oct. 24, 2022
Action Type Old Value New Value Removed CWE NIST CWE-862 Added CWE NIST CWE-59 -
Initial Analysis by [email protected]
Nov. 09, 2021
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:P/I:P/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Changed Reference Type http://www.openwall.com/lists/oss-security/2021/11/04/3 No Types Assigned http://www.openwall.com/lists/oss-security/2021/11/04/3 Mailing List, Third Party Advisory Changed Reference Type https://www.jenkins.io/security/advisory/2021-11-04/#SECURITY-2455 No Types Assigned https://www.jenkins.io/security/advisory/2021-11-04/#SECURITY-2455 Vendor Advisory Added CWE NIST CWE-862 Added CPE Configuration OR *cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:* versions up to (excluding) 2.303.3 *cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:* versions up to (excluding) 2.319 -
CVE Modified by [email protected]
Nov. 04, 2021
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2021/11/04/3 [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-21695 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-2021-21695
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.30 }} 0.08%
score
0.70011
percentile