Which products and versions are affected by CVE-2019-16662?

Affected: Rconfig versions 3.9.2. The full list is in the CVE brief.

Is CVE-2019-16662 being exploited in the wild?

It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since Dec 24, 2019.

Is CVE-2019-16662 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2019-16662?

Public exploit code is available.

Is there a fix for CVE-2019-16662?

No fixed version is listed yet; check the vendor advisory for mitigations.

How urgently should CVE-2019-16662 be patched?

Brandefense priority: patch immediately, because it is listed as exploited in the wild.

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Vulnerability Intelligence

CVE-2019-16662

CriticalExploitedPublic exploit

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.

Published Oct 28, 2019 · Updated Nov 21, 2024

Key Facts

Patch immediately

CVE-2019-16662 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Rconfig.
It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since Dec 24, 2019. Public exploit code is available.
EPSS estimates a 98% probability of exploitation in the next 30 days.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.

CVSS v3.1

9.8

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS (30-day exploit likelihood)

98%

Higher than 99.9% of all scored CVEs

Exploited in the wild

Yes

2 catalog listings

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2019-16662 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

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.

Known-Exploited Catalog Listings

Catalog	Added	Remediation due	Ransomware use
Industry KEV feed	Dec 24, 2019	n/a	Not reported
CIRCL KEV	Oct 14, 2023	n/a	Not reported

Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Affected Products

1 affected entries in total

Product	Affected versions	Fixed in
RconfigRconfig	3.9.2	n/a

Timeline

Publicly disclosed
Oct 28, 2019
Added to Industry KEV feed
Dec 24, 2019
Added to CIRCL KEV
Oct 14, 2023
Last updated
Nov 21, 2024

Weakness Type

CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

References

15 more references in the full CVE brief

FAQ

Common Questions.

An issue was discovered in rConfig 3.9.2.
Affected: Rconfig versions 3.9.2. The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since Dec 24, 2019.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.

Is CVE-2019-16662 Running On Your Attack Surface?

Brandefense maps vulnerabilities like this one to your internet-facing assets and tells you exactly where to patch.