Ruijie RG-UAC dhcp_client_commit.php os command injection

published 2024-05-05 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-44116

cvss: 4.7; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 6.8%; EPSS 6.8% chance of exploitation in 30 days, percentile 94%
public exploits: 0; none known

A vulnerability classified as critical has been found in Ruijie RG-UAC up to 20240428. Affected is an unknown function of the file /view/dhcp/dhcpClient/dhcp_client_commit.php. The manipulation of the argument ifName leads to os command injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. VDB-263106 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Patch / fix

links 1

github.com/h0e4a0r1t/-2x3J-1rPc-1-0-/blob/main/Ruijie%20RG-UAC%20Unif… patch

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 2 y ago (2024-05-07)

Exploit prediction

6.85% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/h0e4a0r1t/-2x3J-1rPc-1-0-/blob/main/Ruijie%20RG-UAC%20Unified%20Internet%20Behavior%20Management%20Audit%20System%20Backend%20RCE%20Vulnerability-view_dhcp_dhcpClient_dhcp_client_commit.php.pdf referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	3.1	4.7	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
CNA	3.0	4.7	CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
CNA	2.0	5.8	AV:N/AC:L/Au:M/C:P/I:P/A:P
NVD	3.1	7.2	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected products

Ruijie RG-UAC

Classification

Weakness

CWE-78 Improper Neutralization of Special Elements used in an OS Command

References

github.com /h0e4a0r1t/-2x3J-1rPc-1-0-/blob/main/Ruijie%20RG-UAC%20Unified%20Internet%20Behavior%20Management%20Audit%20Sy
exploit, patch, broken-link
vuldb.com /?id.263106
vdb-entry, technical-description, third-party-advisory
vuldb.com /?ctiid.263106
signature, permissions-required, vdb-entry
vuldb.com /?submit.323811
third-party-advisory, vdb-entry

Sources

CVE List CVE-2024-4502
NVD CVE-2024-4502

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary