CVE-2020-24356Local Privilege Escalation in cloudflared
- 6.4MediumCVSS base score
- 0.35%Exploitation in 30 daysEPSS · top 71% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By cloudflare
- 49 days later
· 49 days later
Published
- 4 years later
· 4 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| cloudflareCNA (assigner) | 3.1 | Medium6.4 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:H/A:N |
| NVDNVD · Modified | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.35% · top 71% of all CVEs (12 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.4.
Affected products
- affected unspecified – < 2020.8.1
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Gogithub.com/cloudflare/cloudflaredGHSA-hgwp-4vp4-qmm2 (opens in a new tab)
References
References1
- https://github.com/cloudflare/cloudflared/security/advisories/GHSA-hgwp-4vp4-qmm2 (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2021-1103 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-hgwp-4vp4-qmm2 (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2020-24356)Record last updated .