Ruijie RG-UAC dhcp_relay_commit.php os command injection

published 2024-05-05 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-44117

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 was found in Ruijie RG-UAC up to 20240428. Affected by this vulnerability is an unknown functionality of the file /view/dhcp/dhcpConfig/dhcp_relay_commit.php. The manipulation of the argument interface_from leads to os command injection. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-263107. 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: total
Assessed: 2 y ago (2024-05-08)

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-dhcp_relay_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.263107
vdb-entry, technical-description, third-party-advisory
vuldb.com /?ctiid.263107
signature, permissions-required, vdb-entry
vuldb.com /?submit.323813
third-party-advisory, vdb-entry

Sources

CVE List CVE-2024-4503
NVD CVE-2024-4503

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