CVE-2020-21525

Name: CVE-2020-21525
Creator: NVD / NIST
Published: 2020-09-30T18:15:24.083+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.92%

Last modified Jun 17, 2026

CVE-2020-21525 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Halo V1.1.3 is affected by: Arbitrary File reading. In an interface that reads files in halo v1.1.3, a directory traversal check is performed on the input path parameter, but the startsWith function can be used to bypass it.. EPSS estimates a 1.92% chance of exploitation in the next 30 days.

Description

Halo V1.1.3 is affected by: Arbitrary File reading. In an interface that reads files in halo v1.1.3, a directory traversal check is performed on the input path parameter, but the startsWith function can be used to bypass it.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

1.92%

77.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

Affected Software

Vendor	Product	Versions
Halo	Halo	1.1.3

References

https://github.com/halo-dev/halo/issues/420Exploit, Issue Tracking, Third Party Advisory
https://github.com/halo-dev/halo/issues/420Exploit, Issue Tracking, Third Party Advisory

Timeline

Published: Sep 30, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-21525?

How severe is CVE-2020-21525?

CVE-2020-21525 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.92% probability of exploitation in the next 30 days.

How do I fix CVE-2020-21525?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-21525?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST