CVE-2020-18980

Name: CVE-2020-18980
Creator: NVD / NIST
Published: 2021-07-12T15:15:08.01+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.46%

Last modified Jun 17, 2026

CVE-2020-18980 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Remote Code Executon vulnerability in Halo 0.4.3 via the remoteAddr and themeName parameters.. EPSS estimates a 1.46% chance of exploitation in the next 30 days.

Description

Remote Code Executon vulnerability in Halo 0.4.3 via the remoteAddr and themeName parameters.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

1.46%

70.2th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Halo	Halo	0.4.3

References

https://github.com/halo-dev/halo/issues/134Exploit, Third Party Advisory
https://github.com/halo-dev/halo/issues/134Exploit, Third Party Advisory

Timeline

Published: Jul 12, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-18980?

Remote Code Executon vulnerability in Halo 0.4.3 via the remoteAddr and themeName parameters.

How severe is CVE-2020-18980?

CVE-2020-18980 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.46% probability of exploitation in the next 30 days.

How do I fix CVE-2020-18980?

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-2020-18980?

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

Scan your code now

Source: NVD / NIST