Critical severity · published Jan 12, 2024
CVE-2023-50919
An issue was discovered on GL.iNet devices before version 4.5.0
9.8
CVSS
47.8%
EPSS
No
On KEV
Description
An issue was discovered on GL.iNet devices before version 4.5.0. There is an NGINX authentication bypass via Lua string pattern matching. This affects A1300 4.4.6, AX1800 4.4.6, AXT1800 4.4.6, MT3000 4.4.6, MT2500 4.4.6, MT6000 4.5.0, MT1300 4.3.7, MT300N-V2 4.3.7, AR750S 4.3.7, AR750 4.3.7, AR300M 4.3.7, and B1300 4.3.7.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)47.8% · higher than 99% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GF
Gl-a1300 Firmware · Gl-inet
4.3.7; 4.4.6 · source: NVD
GF
Gl-ar300m Firmware · Gl-inet
4.3.7; 4.4.6 · source: NVD
GF
Gl-ar750 Firmware · Gl-inet
4.3.7; 4.4.6 · source: NVD
GF
Gl-ar750s Firmware · Gl-inet
4.3.7; 4.4.6 · source: NVD
GF
Gl-ax1800 Firmware · Gl-inet
4.3.7; 4.4.6 · source: NVD
GF
Gl-axt1800 Firmware · Gl-inet
4.3.7; 4.4.6 · source: NVD
GF
Gl-b1300 Firmware · Gl-inet
4.3.7; 4.4.6 · source: NVD
GF
Gl-mt1300 Firmware · Gl-inet
4.3.7; 4.4.6 · source: NVD
GF
Gl-mt2500 Firmware · Gl-inet
4.3.7; 4.4.6 · source: NVD
GF
Gl-mt3000 Firmware · Gl-inet
4.3.7; 4.4.6 · source: NVD
GF
Gl-mt300n-v2 Firmware · Gl-inet
4.3.7; 4.4.6 · source: NVD
GF
Gl-mt6000 Firmware · Gl-inet
4.3.7; 4.4.6 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-50919
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-50919
packetstormsecurity.com
http://packetstormsecurity.com/files/176708/GL.iNet-Unauthenticated-Remote-Command-Execution.html
Exploit
https://github.com/gl-inet/CVE-issues/blob/main/4.0.0/Authentication-bypass.md
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