CVE-2020-11579

HIGHNVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory published 2022-05-24. NVD baseline CVSS 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 27%CVSS: 7.5Exploit: Elevated riskExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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 v3
7.5
EG Score
7.5(medium)
EG Risk
54(Track)
EG Risk 54/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity75% × 45%
Exploitation40% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
27%
EPSS %ILE
98%
KEV
Not listed

Published

September 3, 2020

Last Modified

November 21, 2024

References (8)

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 6× in last 7d / 24× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 140 total refreshes for this CVE.

  1. 2026-09-19 15:37 UTCEPSS rescore
  2. 2026-09-18 19:23 UTCEPSS rescore
  3. 2026-09-17 19:22 UTCEPSS rescore
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  11. 2026-09-07 02:18 UTCOSV refresh
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  25. 2026-08-20 12:31 UTCOSV refresh
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  1. 2026-08-19 17:00 UTCEPSS rescore
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  21. 2026-07-26 14:51 UTCEPSS rescore
  22. 2026-07-25 14:14 UTCEPSS rescore
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  24. 2026-07-23 14:15 UTCEPSS rescore
  25. 2026-07-23 14:15 UTCEPSS rescore
  26. 2026-07-23 01:48 UTCEG score recompute
  27. 2026-07-22 22:33 UTCEG score recompute
  28. 2026-07-22 14:05 UTCEPSS rescore
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  45. 2026-07-11 08:24 UTCEPSS rescore
  46. 2026-07-09 19:06 UTCEPSS rescore
  47. 2026-07-08 15:11 UTCEPSS rescore
  48. 2026-07-06 16:25 UTCEPSS rescore
  49. 2026-07-06 16:25 UTCEPSS rescore
  50. 2026-07-05 02:27 UTCEPSS rescore
  51. 2026-07-04 06:28 UTCEPSS rescore
  52. 2026-07-01 15:03 UTCEPSS rescore
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  54. 2026-07-01 12:21 UTCOSV refresh
  55. 2026-06-30 23:20 UTCEPSS rescore
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  57. 2026-06-28 04:54 UTCEPSS rescore
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  66. 2026-06-22 14:23 UTCEPSS rescore
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  68. 2026-06-21 01:57 UTCEPSS rescore
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  70. 2026-06-18 17:50 UTCEPSS rescore
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  74. 2026-06-16 17:50 UTCEPSS rescore
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Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 GitHub PoC). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCShielderSec/CVE-2020-11579
    First seen May 19, 2020

    Exploit code for CVE-2020-11579, an arbitrary file disclosure through the MySQL client in PHPKB

    Open source ↗

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2020-11579?
CVE-2020-11579 is a high vulnerability published on September 3, 2020. 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.
When was CVE-2020-11579 disclosed?
CVE-2020-11579 was first published in the National Vulnerability Database on September 3, 2020, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2020-11579 actively exploited?
CVE-2020-11579 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 27% probability of exploitation in the next 30 days, which ranks it in the top 2.1% of all scored CVEs.
What is the CVSS score of CVE-2020-11579?
CVE-2020-11579 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2020-11579?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-11579, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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