An issue was discovered in Chadha PHPKB 9.0 Enterprise Edition.

published 2020-09-03 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-3929

cvss: 7.5; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 26.9%; EPSS 26.9% chance of exploitation in 30 days, percentile 98%
public exploits: 0; none known

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.

Exploit prediction

26.92% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/ShielderSec/CVE-2020-11579 referenced PoC, tagged "exploit" by a source, unverified
shielder.it https://www.shielder.it/blog/mysql-and-cve-2020-11579-exploitation/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:P/I:N/A:N

Classification

Weakness

CWE-306 Missing Authentication for Critical Functionality

References

github.com /ShielderSec/CVE-2020-11579
exploit, third-party-advisory
shielder.it /blog/mysql-and-cve-2020-11579-exploitation/
exploit, third-party-advisory
shielder.it /
third-party-advisory
phpkb.com
product

Sources

CVE List CVE-2020-11579
NVD CVE-2020-11579

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary