Privilege escalation in Gl-Inet Gl-A1300
CVE-2023-50921
An issue was discovered on GL.iNet devices through 4.5.0. Attackers can invoke the add_user interface in the system module to gain root privileges. 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.
Vulnerability class: Privilege Escalation
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: 0.005 (41.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 41.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Gl-Inet Gl-A1300
- Gl-Inet Gl-A1300 Firmware — versions 4.4.6
- Gl-Inet Gl-Ar300m
- Gl-Inet Gl-Ar300m Firmware — versions 4.3.7
- Gl-Inet Gl-Ar750
- Gl-Inet Gl-Ar750 Firmware — versions 4.3.7
- Gl-Inet Gl-Ar750s
- Gl-Inet Gl-Ar750s Firmware — versions 4.3.7
- Gl-Inet Gl-Ax1800
- Gl-Inet Gl-Ax1800 Firmware — versions 4.4.6
Weakness classification (CWE)
References
- github.com/gl-inet/CVE-issues/blob/main/4.0.0/Add_user_vulnerability.md (Third Party Advisory)
Frequently asked questions
- What is CVE-2023-50921?
- CVE-2023-50921 is a critical-severity vulnerability in Gl-Inet Gl-A1300, classified under Improper Privilege Management. CVSS score: 9.8/10. Published 2024-01-03.
- How severe is CVE-2023-50921?
- Critical severity. CVSS v3 base score is 9.8 out of 10.