4.3
MEDIUM
CVE-2021-21682
Jenkins Trailing Dot Character Remote File Manipulation Vulnerability
Description

Jenkins 2.314 and earlier, LTS 2.303.1 and earlier accepts names of jobs and other entities with a trailing dot character, potentially replacing the configuration and data of other entities on Windows.

INFO

Published Date :

Oct. 6, 2021, 11:15 p.m.

Last Modified :

Nov. 22, 2023, 9:20 p.m.

Remotely Exploitable :

Yes !

Impact Score :

1.4

Exploitability Score :

2.8
Affected Products

The following products are affected by CVE-2021-21682 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Jenkins jenkins
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-2021-21682.

URL Resource
http://www.openwall.com/lists/oss-security/2021/10/06/1 Mailing List Third Party Advisory
https://www.jenkins.io/security/advisory/2021-10-06/#SECURITY-2424 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-2021-21682 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-21682 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
    Removed CWE NIST NVD-CWE-Other
    Added CWE NIST NVD-CWE-noinfo
  • CVE Modified by [email protected]

    Oct. 25, 2023

    Action Type Old Value New Value
    Removed CWE Jenkins Project CWE-42
    Removed CWE Reason CWE-42 / CWE from CNA not within 1003 View
  • Initial Analysis by [email protected]

    Oct. 19, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:S/C:N/I:P/A:N)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
    Changed Reference Type http://www.openwall.com/lists/oss-security/2021/10/06/1 No Types Assigned http://www.openwall.com/lists/oss-security/2021/10/06/1 Mailing List, Third Party Advisory
    Changed Reference Type https://www.jenkins.io/security/advisory/2021-10-06/#SECURITY-2424 No Types Assigned https://www.jenkins.io/security/advisory/2021-10-06/#SECURITY-2424 Vendor Advisory
    Added CWE NIST NVD-CWE-Other
    Added CPE Configuration AND OR *cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:* versions up to (including) 2.303.1 *cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:* versions up to (including) 2.314 OR cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Oct. 07, 2021

    Action Type Old Value New Value
    Added Reference http://www.openwall.com/lists/oss-security/2021/10/06/1 [No Types Assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-21682 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-2021-21682 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.05 }} 0.00%

score

0.19967

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability