CVE-2020-13526

Name: CVE-2020-13526
Creator: NVD / NIST
Published: 2020-12-10T23:15:11.13+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.68%

Last modified Jun 17, 2026

CVE-2020-13526 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. SQL injection vulnerability exists in the handling of sort parameters in ProcessMaker 3.4.11. A specially crafted HTTP request can cause an SQL injection. EPSS estimates a 1.68% chance of exploitation in the next 30 days.

Description

SQL injection vulnerability exists in the handling of sort parameters in ProcessMaker 3.4.11. A specially crafted HTTP request can cause an SQL injection. The reportTables_Ajax and clientSetupAjax pages are vulnerable to SQL injection in the sort parameter.An attacker can make an authenticated HTTP request to trigger these vulnerabilities.

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

1.68%

74.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Processmaker	Processmaker	3.4.11

References

https://talosintelligence.com/vulnerability_reports/TALOS-2020-1126Exploit, Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1126Exploit, Third Party Advisory

Timeline

Published: Dec 10, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-13526?

How severe is CVE-2020-13526?

CVE-2020-13526 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.68% probability of exploitation in the next 30 days.

How do I fix CVE-2020-13526?

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-2020-13526?

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

Scan your code now

Source: NVD / NIST