CVE-2020-11579

mediumpriority · attend · 49OT risk · highEPSS 0.269 · 98 %ileexploit · PoCEURUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

26.9% (98th) EPSS

CVSS 5 · medium

Is it mine?

4 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5

v2.05mediumAV:N/AC:L/Au:N/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.17.5highAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nsecondary · FSTEC (BDU) RU

v3.17.1highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:Psecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-306USprimaryCWE-200US

exploits (1)

Public proof-of-concept and weaponised exploit code.

ShielderSec/CVE-2020-11579Exploit code for CVE-2020-11579, an arbitrary file disclosure through the MySQL client in PHPKBPoC · poc_in_github

affected products (4)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
Chadha Software Technologies PHPKB≤ 9.0fstec_bduRU
PHP Group PHP≤ 7.2.16fstec_bduRU
chadhaajay phpkb= 9.0nvdUScpe:2.3:a:chadhaajay:phpkb:*:*:*:*:*:*:*:*

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2020-09-03modified 2026-06-17

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references (14)

External citations — patches, advisories, analysis.

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