Vulnerability · Published Oct 2, 2020 · Assigned by cloudflare
CVE-2020-24356Local Privilege Escalation in cloudflared
Medium 6.4
In plain English
A medium-severity security flaw in cloudflared from Cloudflare. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 29% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)6.4Medium
Exploit odds (30 days)0.3%top 71.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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 packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Go | github.com/cloudflare/cloudflared | 0.0.0-20200820025921-9323844ea773 | GHSA-hgwp-4vp4-qmm2 |
| Go | github.com/cloudflare/cloudflared | 0.0.0-20200820025921-9323844ea773 | GO-2022-0845 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Cloudflare | cloudflared | unspecified – before 2020.8.1 |