RCE in Rconfig

CVE-2019-16662

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.

Vulnerability class: Command Injection (OS Command Injection)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.977 (99.9th percentile), scored .

Very high probability of exploitation in the next 30 days — among the top 0.1% most-likely-to-be-exploited CVEs. 100th percentile — 99.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2019-16662: held from 0.977 to 0.977.

EPSS over last 30 days · oldest: 0.977 · newest: 0.977 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2019-16662?
CVE-2019-16662 is a critical-severity vulnerability in Rconfig, classified under OS Command Injection. CVSS score: 9.8/10. Published 2019-10-28.
How severe is CVE-2019-16662?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2019-16662 known to be exploited?
23 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.