VulnerabilityModified
CVE-2020-21526
An Arbitrary file writing vulnerability in halo v1.1.3.
CRITICAL 9.8EPSS 1.89%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.89%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.89% probability · 78th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-22
- Affected
- halo/halo
- Source
- cve@mitre.org
References
- https://github.com/halo-dev/halo/issues/421Exploit, Issue Tracking, Third Party Advisory
- https://github.com/halo-dev/halo/issues/421Exploit, Issue Tracking, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.