What’s Vulnerable › Vulnerabilities
CVE-2020-21526
- Severity: critical (CVSS 9.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 1.9% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2020-09-30 · updated 2026-06-17
- Weakness: CWE-22
Description
An Arbitrary file writing vulnerability in halo v1.1.3. In an interface to write files in the background, a directory traversal check is performed on the input path parameter, but the startsWith function can be used to bypass it.
Affected products
- halo-dev halo: 1.1.3
References
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