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CVE-2020-24356

Local Privilege Escalation in cloudflared

HIGH

7.8

CVSS Score

Published: October 2, 2020 at 02:16 PM UTC

Updated: June 17, 2026 at 03:05 AM UTC

1 product affected across 1 vendorCloudflared

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Severity

HIGH7.8

Exploit prediction

EPSS 0.3%

Description

`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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Cloudflared · Cloudflare

95%

v < 2020.8.1

Affected range stops below 2020.8.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_refsource_CONFIRMThird Party Advisory

Source: [email protected]

https://github.com/cloudflare/cloudflared/security/advisories/GHSA-hgwp-4vp4-qmm2

CVSS

7.8HIGH[email protected]

Attack Vector: LOCAL
Complexity: LOW
Privileges: LOW
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-427

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