High severity · published Oct 2, 2020
CVE-2020-24356
`cloudflared` versions prior to 2020.8.1 contain a local privilege escalation vulnerability on Windows systems
7.8
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 28% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CL
Cloudflared · Cloudflare
before 2020.8.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-24356
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-24356
Third Party Advisory
https://github.com/cloudflare/cloudflared/security/advisories/GHSA-hgwp-4vp4-qmm2
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