CVE-2020-15277

Name: CVE-2020-15277
Creator: NVD / NIST
Published: 2020-10-30T18:15:12.357+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.2/10EPSS 2.21%

Last modified Jun 17, 2026

CVE-2020-15277 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. baserCMS before version 4.4.1 is affected by Remote Code Execution (RCE). Code may be executed by logging in as a system administrator and uploading an executable script file such as a PHP file. EPSS estimates a 2.21% chance of exploitation in the next 30 days.

Description

baserCMS before version 4.4.1 is affected by Remote Code Execution (RCE). Code may be executed by logging in as a system administrator and uploading an executable script file such as a PHP file. The Edit template component is vulnerable. The issue is fixed in version 4.4.1.

Metrics

CVSS 3.1

7.2/10

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

EPSS Probability

2.21%

80.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Basercms	Basercms	>= 4.0.0, < 4.4.1

References

https://basercms.net/security/20201029Vendor Advisory
https://github.com/baserproject/basercms/commit/bb027c3967b0430adcff2d2fedbc23d39077563bPatch, Third Party Advisory
https://github.com/baserproject/basercms/security/advisories/GHSA-6fmv-q269-55cwPatch, Third Party Advisory
https://basercms.net/security/20201029Vendor Advisory
https://github.com/baserproject/basercms/commit/bb027c3967b0430adcff2d2fedbc23d39077563bPatch, Third Party Advisory
https://github.com/baserproject/basercms/security/advisories/GHSA-6fmv-q269-55cwPatch, Third Party Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2020-15277?

How severe is CVE-2020-15277?

CVE-2020-15277 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 2.21% probability of exploitation in the next 30 days.

How do I fix CVE-2020-15277?

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-2020-15277?

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

Scan your code now

Source: NVD / NIST