CVE-2019-16663

CRITICALNVD 8.89.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because EPSS predicts 85% probability of exploitation within the next 30 days (top 0.3% of all CVEs). NVD baseline CVSS 8.8 retained for reference. Confidence: see factors.

Triggered by: EPSS exploit prediction ≥85%
Sources: epss, ghsa, nvd
Elevated
9.0EG
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
  • High exploitation likelihood — EPSS 85%
CISA-KEV: Not listedEPSS PROB: 85%CVSS: 8.8Exploit: 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 rConfig 3.9.2. An attacker can directly execute system commands by sending a GET request to search.crud.php because the catCommand parameter is passed to the exec function without filtering, which can lead to command execution.

CVSS v3
8.8
EG Score
9.0(high)
EG Risk
79(Track)
EG Risk 79/100SSVC: 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
Severity90% × 45%
Exploitation85% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
85%
EPSS %ILE
100%
KEV
Not listed

Published

October 28, 2019

Last Modified

November 21, 2024

Advisory Details (5)

Auto-updated Aug 12, 2026
No patch confirmed yet.
generic

rConfig v3.9.2 authenticated and unauthenticated RCE (CVE-2019-16663) and (CVE-2019-16662) // Askar

https://shells.systems/rconfig-v3-9-2-authenticated-and-unauthenticated-rce-cve-2019-16663-and-cve-2019-16662/
generic

Download rConfig V8 Core | Get backing up in minutes

https://rconfig.com/download
generic

The script exploits a postauth RCE in rConfig v3.9.2 Raw · GitHub

https://gist.github.com/mhaskar/e7e454c7cb0dd9a139b0a43691e258a0
generic

rConfig-postauth.png - Google Drive

https://drive.google.com/open?id=1kQGmboKfwob4RwlMjnv6ER2Za1GUptOi
generic

rConfig-PostAuth-2019-09-20_11.39.23.mp4 - Google Drive

https://drive.google.com/open?id=1XmR2MSMb3cKARFk3XxmPkwz6GhAP1JxL

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 2× in last 7d / 10× 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.

  1. 2026-09-17 19:22 UTCEPSS rescore
  2. 2026-09-16 14:04 UTCEPSS rescore
  3. 2026-09-12 14:56 UTCEPSS rescore
  4. 2026-09-06 13:44 UTCEPSS rescore
  5. 2026-09-05 15:24 UTCEPSS rescore
  6. 2026-08-30 19:13 UTCEPSS rescore
  7. 2026-08-28 21:36 UTCEPSS rescore
  8. 2026-08-26 14:42 UTCEPSS rescore
  9. 2026-08-24 14:11 UTCEPSS rescore
  10. 2026-08-21 23:45 UTCEPSS rescore
  11. 2026-08-19 17:00 UTCEPSS rescore
  12. 2026-08-16 02:10 UTCEPSS rescore
  13. 2026-08-06 13:43 UTCEPSS rescore
  14. 2026-07-30 16:24 UTCEPSS rescore
  15. 2026-07-30 01:27 UTCEPSS rescore
  16. 2026-07-28 15:32 UTCEPSS rescore
  17. 2026-07-26 14:51 UTCEPSS rescore
  18. 2026-07-24 14:14 UTCEPSS rescore
  19. 2026-07-24 14:14 UTCEPSS rescore
  20. 2026-07-23 01:41 UTCEG score recompute▲ 0.20
  21. 2026-07-22 22:21 UTCEG score recompute▼ 0.20
  22. 2026-07-22 14:05 UTCEPSS rescore
  23. 2026-07-20 17:04 UTCEPSS rescore
  24. 2026-07-20 17:04 UTCEPSS rescore
  25. 2026-07-16 16:59 UTCEPSS rescore
Show 26 more
  1. 2026-07-16 16:59 UTCEPSS rescore
  2. 2026-07-15 16:55 UTCEPSS rescore
  3. 2026-07-15 16:55 UTCEPSS rescore
  4. 2026-07-11 08:24 UTCEPSS rescore
  5. 2026-07-11 08:24 UTCEPSS rescore
  6. 2026-07-05 02:27 UTCEPSS rescore
  7. 2026-06-30 23:20 UTCEPSS rescore
  8. 2026-06-29 14:03 UTCEPSS rescore
  9. 2026-06-28 14:04 UTCEPSS rescore
  10. 2026-06-27 03:06 UTCEPSS rescore
  11. 2026-06-23 21:31 UTCEPSS rescore
  12. 2026-06-23 21:30 UTCEPSS rescore
  13. 2026-06-21 01:57 UTCEPSS rescore
  14. 2026-06-21 01:57 UTCEPSS rescore
  15. 2026-06-17 17:50 UTCEPSS rescore
  16. 2026-06-15 17:45 UTCEPSS rescore
  17. 2026-06-06 13:45 UTCEPSS rescore
  18. 2026-06-06 13:45 UTCEPSS rescore
  19. 2026-05-28 13:43 UTCEPSS rescore
  20. 2026-05-27 12:31 UTCEG score recompute
  21. 2026-05-27 12:31 UTCGHSA enrichment
  22. 2026-05-26 13:42 UTCEPSS rescore
  23. 2026-05-26 13:42 UTCEPSS rescore
  24. 2026-05-26 07:17 UTCEPSS rescore
  25. 2026-05-26 07:17 UTCEPSS rescore
  26. 2026-05-26 07:17 UTCEPSS rescore

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 PoCmhaskar/CVE-2019-16663
    First seen Nov 10, 2019

    The official exploit for rConfig 3.9.2 Post-auth Remote Code Execution CVE-2019-16663

    Open source ↗

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2019-16663?
CVE-2019-16663 is a critical vulnerability published on October 28, 2019. An issue was discovered in rConfig 3.9.2. An attacker can directly execute system commands by sending a GET request to search.crud.php because the catCommand parameter is passed to the exec function without filtering, which can lead to command execution.
When was CVE-2019-16663 disclosed?
CVE-2019-16663 was first published in the National Vulnerability Database on October 28, 2019, 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-2019-16663 actively exploited?
CVE-2019-16663 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 85% probability of exploitation in the next 30 days, which ranks it in the top 0.3% of all scored CVEs.
What is the CVSS score of CVE-2019-16663?
CVE-2019-16663 has a CVSS v3 base score of 8.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
How do I remediate CVE-2019-16663?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-16663, 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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