CVE-2020-13778

Name: CVE-2020-13778
Creator: NVD / NIST
Published: 2020-10-19T13:15:13.203+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 4.21%

Last modified Jun 17, 2026

CVE-2020-13778 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. rConfig 3.9.4 and earlier allows authenticated code execution (of system commands) by sending a forged GET request to lib/ajaxHandlers/ajaxAddTemplate.php or lib/ajaxHandlers/ajaxEditTemplate.php.. EPSS estimates a 4.21% chance of exploitation in the next 30 days.

Description

rConfig 3.9.4 and earlier allows authenticated code execution (of system commands) by sending a forged GET request to lib/ajaxHandlers/ajaxAddTemplate.php or lib/ajaxHandlers/ajaxEditTemplate.php.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

4.21%

89.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-78

Affected Software

Vendor	Product	Versions
Rconfig	Rconfig	<= 3.9.4

References

https://cxsecurity.com/issue/WLB-2020100091Exploit, Third Party Advisory
https://github.com/theguly/exploits/blob/master/CVE-2020-13778.pyExploit, Third Party Advisory
https://theguly.github.io/2020/09/rconfig-3.9.4-multiple-vulnerabilities/Exploit, Third Party Advisory
https://cxsecurity.com/issue/WLB-2020100091Exploit, Third Party Advisory
https://github.com/theguly/exploits/blob/master/CVE-2020-13778.pyExploit, Third Party Advisory
https://theguly.github.io/2020/09/rconfig-3.9.4-multiple-vulnerabilities/Exploit, Third Party Advisory

Timeline

Published: Oct 19, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-13778?

rConfig 3.9.4 and earlier allows authenticated code execution (of system commands) by sending a forged GET request to lib/ajaxHandlers/ajaxAddTemplate.php or lib/ajaxHandlers/ajaxEditTemplate.php.

How severe is CVE-2020-13778?

CVE-2020-13778 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 4.21% probability of exploitation in the next 30 days.

How do I fix CVE-2020-13778?

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-2020-13778?

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

Scan your code now

Source: NVD / NIST