CVE-2020-24356

Local Privilege Escalation in cloudflared

Severity Score

7.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

`cloudflared` versions prior to 2020.8.1 contain a local privilege escalation vulnerability on Windows systems. When run on a Windows system, `cloudflared` searches for configuration files which could be abused by a malicious entity to execute commands as a privileged user. Version 2020.8.1 fixes this issue.

"cloudflared" versiones anteriores a 2020.8.1, contiene una vulnerabilidad de escalada de privilegios local en los sistemas Windows. Cuando se ejecuta en un sistema Windows, "cloudflared" busca archivos de configuración que podrían ser abusados ??por una entidad maliciosa para ejecutar comandos como un usuario privilegiado. La versión 2020.8.1 corrige este problema

*Credits: N/A

CVSS Scores

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

High

Availability

None

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-08-14 CVE Reserved
2020-10-02 CVE Published
2023-03-08 EPSS Updated
2024-09-17 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-427: Uncontrolled Search Path Element

CAPEC

References (1)

URL	Tag	Source
https://github.com/cloudflare/cloudflared/security/advisories/GHSA-hgwp-4vp4-qmm2	Third Party Advisory

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Cloudflare Search vendor "Cloudflare"		Cloudflared Search vendor "Cloudflare" for product "Cloudflared"				< 2020.8.1 Search vendor "Cloudflare" for product "Cloudflared" and version " < 2020.8.1"		-		Affected