CVE-2020-13526
CVE-2020-13526 is a high-severity vulnerability in Processmaker with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-89.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v2: 6.5
- EPSS exploit prediction: 2% (74th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-89
- Affected product: Processmaker
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2020-13526?
- 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.
- How severe is CVE-2020-13526?
- CVE-2020-13526 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2020-13526 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-13526?
- CVE-2020-13526 affects Processmaker. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-13526?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2020-13526 published?
- CVE-2020-13526 was published on 2020-12-10 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:processmaker:processmaker:3.4.11:*:*:*:*:*:*:*
More vulnerabilities in Processmaker
- CVE-2022-38577 — High (CVSS 8.8): ProcessMaker before v3.5.4 was discovered to contain insecure permissions in the user profile page. This vulnerability…
- CVE-2020-13525 — High (CVSS 8.8): The sort parameter in the download page /sysworkflow/en/neoclassic/reportTables/reportTables_Ajax is vulnerable to SQL…
- CVE-2016-9045 — High (CVSS 8.8): A code execution vulnerability exists in ProcessMaker Enterprise Core 3.0.1.7-community. A specially crafted web…
- CVE-2016-9048 — High (CVSS 7.4): Multiple exploitable SQL Injection vulnerabilities exists in ProcessMaker Enterprise Core 3.0.1.7-community. Specially…
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