CVE-2023-50920

5.5 MEDIUM 0.2% exploit odds Fix listed

What it is

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.

At a glance

Exploitability: Can be exploited locally on the machine with a low-privilege account. High risk of data tampering.
Exploit odds: 0.2% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2024-01-12 08:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 06:40 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.2% in the next 30 days (EPSS).
Severity: 5.5 MEDIUM (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2024-01-12 08:15 UTC
Last modified: 2026-06-17 06:40 UTC
Exploit probability: 0.2% · EPSS, next 30 days
Weakness: CWE-384
Record status: Modified

Affected

gl-inet gl-ax1800 Firmware 4.3.7
gl-inet gl-ax1800 Firmware 4.4.6
gl-inet gl-axt1800 Firmware 4.3.7
gl-inet gl-axt1800 Firmware 4.4.6
gl-inet gl-mt3000 Firmware 4.3.7
gl-inet gl-mt3000 Firmware 4.4.6
gl-inet gl-mt2500 Firmware 4.3.7
gl-inet gl-mt2500 Firmware 4.4.6

Attack profile CVSS 3.1 · 5.5

Attack vector: Local
Complexity: Low
Privileges needed: Low
User interaction: None
Scope: Unchanged
Confidentiality: None
Integrity: High
Availability: None

Raw vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Is it in your code?

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Read https://cve-list.com/agent/cve/CVE-2023-50920.md and follow it. Check whether this project is affected by CVE-2023-50920. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record