CVE-2019-16662 (GCVE-0-2019-16662)

Vulnerability from cvelistv5 – Published: 2019-10-28 11:52 – Updated: 2024-08-05 01:17
VLAI Shadowserver KEVIntel
Summary
An issue was discovered in rConfig 3.9.2. An attacker can directly execute system commands by sending a GET request to ajaxServerSettingsChk.php because the rootUname parameter is passed to the exec function without filtering, which can lead to command execution.
Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • n/a
Assigner
References
Shadowserver
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 071d6b9f-196f-4b43-a905-81b99f6b728d

Vulnerability ID: CVE-2019-16662

Status: Confirmed

Status Updated: 2026-07-05 00:00 UTC

Exploited: Yes

Characteristics
Severity: 98.0
Timestamps
First Seen: 2023-10-14
Asserted: 2023-10-14
Last Seen: 2026-07-05
Scope
Asset Exposure: ['internet-facing']
Notes: Affected: rConfig / rConfig | Class: other-software | Severity: Critical (CVSS 9.8) | IoT: no | In CISA KEV: no | Honeypot connections on 2026-07-05: 2
Evidence

Type: Honeypot

Signal: In The Wild Attempts

Confidence: 70%

Source: shadowserver

Details
1D 1
Iot no
Feed Shadowserver Foundation honeypot/exploited-vulnerabilities
Type http-scan
Class other-software
7D Avg 0
Vendor rConfig
30D Avg 5
90D Avg 2
Product rConfig
Cisa Kev no
Connections 2
Observation Date 2026-07-05
Vulnerability Class CVSS
Vulnerability Score 9.8
Vulnerability Severity Critical
References
Created: 2026-07-01 05:53 UTC | Updated: 2026-07-07 01:01 UTC
KEVIntel
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: b56931f6-e19f-4fa7-a00a-3321f27b01e7

Vulnerability ID: CVE-2019-16662

Status: Confirmed

Status Updated: 2025-05-20 19:38 UTC

Exploited: Yes

Timestamps
First Seen: 2025-05-20
Asserted: 2025-05-20
Scope
Notes: KEVIntel entry: An issue was discovered in rConfig 3.9.2. An attacker can directly execute system commands by sending a GET request to ajaxServerSettingsChk.php... | Affected: rConfig / rConfig | CVSS: 9.8 (CRITICAL) | EPSS: 0.94452 | Used in malware: unknown | Not yet in CISA KEV: True
Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: kevintel

Details
Feed KEVIntel (kevintel.com)
Title An issue was discovered in rConfig 3.9.2. An attacker can directly execute system commands by sending a GET request to ajaxServerSettingsChk.php...
Vendor rConfig
Product rConfig
Added Date 2025-05-20T19:38:13.620Z
Cvss Score 9.8
Epss Score 0.94452
Cvss Severity CRITICAL
Epss Percentile 0.9999
Used In Malware unknown
Ahead Of Cisa Kev None
Not Yet In Cisa Kev True
References
Created: 2026-06-23 11:12 UTC | Updated: 2026-06-23 11:12 UTC
Show details on NVD website
To clipboard 

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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.