CVE-2021-21643

jenkins-2-plugins/config-file-provider: Does not correctly perform permission checks in several HTTP endpoints.

Severity Score

6.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Jenkins Config File Provider Plugin 3.7.0 and earlier does not correctly perform permission checks in several HTTP endpoints, allowing attackers with global Job/Configure permission to enumerate system-scoped credentials IDs of credentials stored in Jenkins.

Jenkins Config File Provider Plugin versiones 3.7.0 y anteriores, no lleva a cabo apropiadamente unas comprobaciones de permisos en varios endpoints HTTP, lo que permite a atacantes con permiso global Job/Configure enumerar unas ID de credenciales del ámbito del sistema de las credenciales almacenadas en Jenkins

A flaw was found in the config-file-provider Jenkins plugin. The plugin does not correctly perform permission checks in several HTTP endpoints, as a consequence an attacker with global Job/Configure permission can enumerate system-scoped credentials IDs of credentials stored in Jenkins.

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

Partial

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-01-04 CVE Reserved
2021-04-21 CVE Published
2023-03-08 EPSS Updated
2024-08-03 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-281: Improper Preservation of Permissions

CAPEC

References (4)

URL	Tag	Source
http://www.openwall.com/lists/oss-security/2021/04/21/2	Mailing List

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://www.jenkins.io/security/advisory/2021-04-21/#SECURITY-2254	2023-10-25
https://access.redhat.com/security/cve/CVE-2021-21643	2021-06-30
https://bugzilla.redhat.com/show_bug.cgi?id=1952148	2021-06-30

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Jenkins Search vendor "Jenkins"		Config File Provider Search vendor "Jenkins" for product "Config File Provider"				<= 3.7.0 Search vendor "Jenkins" for product "Config File Provider" and version " <= 3.7.0"		jenkins		Affected