CVE-2021-4142

Satellite: Allow unintended SCA certificate to authenticate Candlepin

Severity Score

5.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

The Candlepin component of Red Hat Satellite was affected by an improper authentication flaw. Few factors could allow an attacker to use the SCA (simple content access) certificate for authentication with Candlepin.

El componente Candlepin de Red Hat Satellite estaba afectado por un fallo de autenticación inapropiado. Algunos factores podían permitir a un atacante usar el certificado SCA (Simple Content Access) para la autenticación con Candlepin.

Red Hat Satellite is a systems management tool for Linux-based infrastructure. It allows for provisioning, remote management, and monitoring of multiple Linux deployments with a single centralized tool. Issues addressed include HTTP request smuggling, buffer overflow, bypass, code execution, cross site scripting, denial of service, heap overflow, information leakage, privilege escalation, remote shell upload, remote SQL injection, and traversal vulnerabilities.

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Attack Vector

Local

Attack Complexity

Low

Authentication

Single

Confidentiality

Complete

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-12-20 CVE Reserved
2022-03-09 CVE Published
2024-08-03 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-287: Improper Authentication
CWE-639: Authorization Bypass Through User-Controlled Key

CAPEC

References (5)

URL	Tag	Source
https://github.com/candlepin/candlepin/pull/3198	Third Party Advisory

URL	Date	SRC

URL	Date	SRC
https://github.com/candlepin/candlepin/pull/3197	2023-11-07
https://github.com/candlepin/candlepin/pull/3199	2023-11-07

URL	Date	SRC
https://access.redhat.com/security/cve/CVE-2021-4142	2022-07-05
https://bugzilla.redhat.com/show_bug.cgi?id=2034346	2022-07-05

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Candlepinproject Search vendor "Candlepinproject"		Candlepin Search vendor "Candlepinproject" for product "Candlepin"				>= 3.1.0 <= 3.1.28-2 Search vendor "Candlepinproject" for product "Candlepin" and version " >= 3.1.0 <= 3.1.28-2"		-		Affected
Candlepinproject Search vendor "Candlepinproject"		Candlepin Search vendor "Candlepinproject" for product "Candlepin"				>= 3.2.0 <= 3.2.21-1 Search vendor "Candlepinproject" for product "Candlepin" and version " >= 3.2.0 <= 3.2.21-1"		-		Affected
Candlepinproject Search vendor "Candlepinproject"		Candlepin Search vendor "Candlepinproject" for product "Candlepin"				>= 4.1.0 <= 4.1.8-1 Search vendor "Candlepinproject" for product "Candlepin" and version " >= 4.1.0 <= 4.1.8-1"		-		Affected