CVE-2020-24356: Uncontrolled Search Path Element

May 24, 2021 (updated August 2, 2021)

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.

References

github.com/advisories/GHSA-hgwp-4vp4-qmm2
github.com/cloudflare/cloudflared/security/advisories/GHSA-hgwp-4vp4-qmm2
nvd.nist.gov/vuln/detail/CVE-2020-24356

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