SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2019-16662

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.

EXPLOIT ×2 ✓CRITICAL 9.8EPSS 97.7%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 97.7%, higher than 100% of all known CVEs. Patch or mitigate before the next change window.

Description

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.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
97.70% probability · 100th percentile
Public exploits
2 in Exploit-DB · verified · first 29 October 2019
CISA KEV
Not listed
Weakness
CWE-78
Affected
rconfig/rconfig
Source
cve@mitre.org
EPSS trend
0%50%100%3 November 2026: 97.70%3 November 20263 November 2026

EPSS 97.7% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Public exploits (2)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-47602source ↗rConfig - install Command Execution (Metasploit)linux · Metasploitremote8 November 2019yes
EDB-47555source ↗rConfig 3.9.2 - Remote Code Executionphp · Askarwebapps29 October 2019no

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.