Vulnerability in Gl-Inet Gl-A1300
CVE-2023-50920
An issue was discovered on GL.iNet devices before version 4.5.0. They assign the same session ID after each user reboot, allowing attackers to share session identifiers between different sessions and bypass authentication or access control measures. Attackers can impersonate legitimate users or perform unauthorized actions. 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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.002 (8.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 8th percentile — 8.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Gl-Inet Gl-A1300
- Gl-Inet Gl-A1300 Firmware — versions 4.3.7, 4.4.6
- Gl-Inet Gl-Ar300m
- Gl-Inet Gl-Ar300m Firmware — versions 4.3.7, 4.4.6
- Gl-Inet Gl-Ar750
- Gl-Inet Gl-Ar750 Firmware — versions 4.3.7, 4.4.6
- Gl-Inet Gl-Ar750s
- Gl-Inet Gl-Ar750s Firmware — versions 4.3.7, 4.4.6
- Gl-Inet Gl-Ax1800
- Gl-Inet Gl-Ax1800 Firmware — versions 4.3.7, 4.4.6
Weakness classification (CWE)
References
- github.com/gl-inet/CVE-issues/blob/main/4.0.0/Authentication-bypass-seesion-ID… (Exploit, Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-50920?
- CVE-2023-50920 is a medium-severity vulnerability in Gl-Inet Gl-A1300, classified under Session Fixation. CVSS score: 5.5/10. Published 2024-01-12.
- How severe is CVE-2023-50920?
- Medium severity. CVSS v3 base score is 5.5 out of 10.