How severe is CVE-2020-11579?

CVE-2020-11579 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2020-11579 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 26% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-11579?

CVE-2020-11579 affects Chadhaajay Phpkb. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-11579?

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-2020-11579 published?

CVE-2020-11579 was published on 2020-09-03 and last updated on 2026-06-17.

CVE-2020-11579

CVE-2020-11579 is a high-severity vulnerability in Chadhaajay Phpkb with a CVSS 3.x base score of 7.5. Its EPSS exploit-prediction score of 26% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-306.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 26% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-306
Affected product: Chadhaajay Phpkb
Published: 2020-09-03
Last modified: 2026-06-17

Description

An issue was discovered in Chadha PHPKB 9.0 Enterprise Edition. installer/test-connection.php (part of the installation process) allows a remote unauthenticated attacker to disclose local files on hosts running PHP before 7.2.16, or on hosts where the MySQL ALLOW LOCAL DATA INFILE option is enabled.

Frequently asked questions

What is CVE-2020-11579?: An issue was discovered in Chadha PHPKB 9.0 Enterprise Edition. installer/test-connection.php (part of the installation process) allows a remote unauthenticated attacker to disclose local files on hosts running PHP before 7.2.16, or on hosts where the MySQL ALLOW LOCAL DATA INFILE option is enabled.
How severe is CVE-2020-11579?: CVE-2020-11579 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2020-11579 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 26% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-11579?: CVE-2020-11579 affects Chadhaajay Phpkb. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-11579?: 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-2020-11579 published?: CVE-2020-11579 was published on 2020-09-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:chadhaajay:phpkb:9.0:*:*:*:enterprise:*:*:*

More vulnerabilities in Chadhaajay Phpkb

CVE-2020-10478 — High (CVSS 8.8): CSRF in admin/manage-settings.php in Chadha PHPKB Standard Multi-Language 9 allows attackers to change the global…
CVE-2020-10390 — High (CVSS 7.2): OS Command Injection in export.php (vulnerable function called from include/functions-article.php) in Chadha PHPKB…
CVE-2020-10389 — High (CVSS 7.2): admin/save-settings.php in Chadha PHPKB Standard Multi-Language 9 allows remote attackers to achieve Code Execution by…
CVE-2020-10386 — High (CVSS 7.2): admin/imagepaster/image-upload.php in Chadha PHPKB Standard Multi-Language 9 allows remote attackers to achieve Code…
CVE-2020-10501 — Medium (CVSS 6.5): CSRF in admin/manage-departments.php in Chadha PHPKB Standard Multi-Language 9 allows attackers to edit a department,…
CVE-2020-10498 — Medium (CVSS 6.5): CSRF in admin/edit-category.php in Chadha PHPKB Standard Multi-Language 9 allows attackers to edit a category, given…

All CVEs affecting Chadhaajay Phpkb →

Other CWE-306 (Missing Authentication for Critical Function) vulnerabilities

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CVE-2026-50242 — Critical (CVSS 10.0): In JetBrains Hub before 2026.1.13757, 2025.3.148033, 2025.2.148048, 2025.1.148120, 2024.3.148430, 2024.2.148429…
CVE-2026-49257 — Critical (CVSS 10.0): mcp-pinot is a Python-based Model Context Protocol (MCP) server for interacting with Apache Pinot. In versions 3.0.1…
CVE-2026-46846 — Critical (CVSS 10.0): Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion Middleware (component: Security Framework).…
CVE-2026-46803 — Critical (CVSS 10.0): Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion Middleware (component: Security Framework).…
CVE-2026-46800 — Critical (CVSS 10.0): Vulnerability in the Oracle WebCenter Sites product of Oracle Fusion Middleware (component: WebCenter Sites).…

Browse all CWE-306 (Missing Authentication for Critical Function) vulnerabilities →

Threat intelligence

Threat-intel indicators referencing this CVE:

45.84.120.3 (ipv4-addr)
79.137.34.248 (ipv4-addr)
221.161.235.168 (ipv4-addr)
201.186.40.250 (ipv4-addr)
200.196.50.91 (ipv4-addr)
187.51.208.158 (ipv4-addr)
187.141.71.166 (ipv4-addr)
187.110.238.50 (ipv4-addr)