CVE-2020-12784

Name: CVE-2020-12784
Creator: NVD / NIST
Published: 2020-05-11T16:15:13.193+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 1.25%

Last modified Jun 17, 2026

CVE-2020-12784 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. cPanel before 86.0.14 allows remote attackers to trigger a bandwidth suspension via mail log strings (SEC-505).. EPSS estimates a 1.25% chance of exploitation in the next 30 days.

Description

cPanel before 86.0.14 allows remote attackers to trigger a bandwidth suspension via mail log strings (SEC-505).

Metrics

CVSS 3.1

5.3/10

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

EPSS Probability

1.25%

65.6th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Cpanel	Cpanel	>= 11.78.0.1, < 11.78.0.47
Cpanel	Cpanel	>= 11.84.0.0, < 11.84.0.22
Cpanel	Cpanel	>= 11.86.0.1, < 11.86.0.14

References

https://documentation.cpanel.net/display/CL/86+Change+LogVendor Advisory
https://news.cpanel.com/cpanel-tsr-2020-0002-full-disclosure/Vendor Advisory
https://documentation.cpanel.net/display/CL/86+Change+LogVendor Advisory

Timeline

Published: May 11, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-12784?

cPanel before 86.0.14 allows remote attackers to trigger a bandwidth suspension via mail log strings (SEC-505).

How severe is CVE-2020-12784?

CVE-2020-12784 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 1.25% probability of exploitation in the next 30 days.

How do I fix CVE-2020-12784?

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-2020-12784?

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

Scan your code now

Source: NVD / NIST