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.
Conclusion & alert: CVE-2023-50920 is rated Exploit Available (50/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.20%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.04% | 0.20% | +0.16% |
| 2 | 2025-03-30 | 0.06% | 0.04% | -0.02% |
| 3 | 2025-03-29 | — | 0.06% | — |
Full EPSS history (4 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.5 | 3.1 | MEDIUM |
|
1.8 | 3.6 | [email protected] |
| 5.5 | 3.1 | MEDIUM |
|
1.8 | 3.6 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| gl-inet | gl-ax1800_firmware | 4.3.7 | cpe:2.3:o:gl-inet:gl-ax1800_firmware:4.3.7:*:*:*:*:*:*:* |
| gl-inet | gl-ax1800_firmware | 4.4.6 | cpe:2.3:o:gl-inet:gl-ax1800_firmware:4.4.6:*:*:*:*:*:*:* |
| gl-inet | gl-axt1800_firmware | 4.3.7 | cpe:2.3:o:gl-inet:gl-axt1800_firmware:4.3.7:*:*:*:*:*:*:* |
| gl-inet | gl-axt1800_firmware | 4.4.6 | cpe:2.3:o:gl-inet:gl-axt1800_firmware:4.4.6:*:*:*:*:*:*:* |
| gl-inet | gl-mt3000_firmware | 4.3.7 | cpe:2.3:o:gl-inet:gl-mt3000_firmware:4.3.7:*:*:*:*:*:*:* |
| gl-inet | gl-mt3000_firmware | 4.4.6 | cpe:2.3:o:gl-inet:gl-mt3000_firmware:4.4.6:*:*:*:*:*:*:* |
| gl-inet | gl-mt2500_firmware | 4.3.7 | cpe:2.3:o:gl-inet:gl-mt2500_firmware:4.3.7:*:*:*:*:*:*:* |
| gl-inet | gl-mt2500_firmware | 4.4.6 | cpe:2.3:o:gl-inet:gl-mt2500_firmware:4.4.6:*:*:*:*:*:*:* |
| gl-inet | gl-mt6000_firmware | 4.3.7 | cpe:2.3:o:gl-inet:gl-mt6000_firmware:4.3.7:*:*:*:*:*:*:* |
| gl-inet | gl-mt6000_firmware | 4.4.6 | cpe:2.3:o:gl-inet:gl-mt6000_firmware:4.4.6:*:*:*:*:*:*:* |
| gl-inet | gl-mt1300_firmware | 4.3.7 | cpe:2.3:o:gl-inet:gl-mt1300_firmware:4.3.7:*:*:*:*:*:*:* |
| gl-inet | gl-mt1300_firmware | 4.4.6 | cpe:2.3:o:gl-inet:gl-mt1300_firmware:4.4.6:*:*:*:*:*:*:* |
| gl-inet | gl-mt300n-v2_firmware | 4.3.7 | cpe:2.3:o:gl-inet:gl-mt300n-v2_firmware:4.3.7:*:*:*:*:*:*:* |
| gl-inet | gl-mt300n-v2_firmware | 4.4.6 | cpe:2.3:o:gl-inet:gl-mt300n-v2_firmware:4.4.6:*:*:*:*:*:*:* |
| gl-inet | gl-ar750s_firmware | 4.3.7 | cpe:2.3:o:gl-inet:gl-ar750s_firmware:4.3.7:*:*:*:*:*:*:* |
| gl-inet | gl-ar750s_firmware | 4.4.6 | cpe:2.3:o:gl-inet:gl-ar750s_firmware:4.4.6:*:*:*:*:*:*:* |
| gl-inet | gl-ar750_firmware | 4.3.7 | cpe:2.3:o:gl-inet:gl-ar750_firmware:4.3.7:*:*:*:*:*:*:* |
| gl-inet | gl-ar750_firmware | 4.4.6 | cpe:2.3:o:gl-inet:gl-ar750_firmware:4.4.6:*:*:*:*:*:*:* |
| gl-inet | gl-ar300m_firmware | 4.3.7 | cpe:2.3:o:gl-inet:gl-ar300m_firmware:4.3.7:*:*:*:*:*:*:* |
| gl-inet | gl-ar300m_firmware | 4.4.6 | cpe:2.3:o:gl-inet:gl-ar300m_firmware:4.4.6:*:*:*:*:*:*:* |
| gl-inet | gl-b1300_firmware | 4.3.7 | cpe:2.3:o:gl-inet:gl-b1300_firmware:4.3.7:*:*:*:*:*:*:* |
| gl-inet | gl-b1300_firmware | 4.4.6 | cpe:2.3:o:gl-inet:gl-b1300_firmware:4.4.6:*:*:*:*:*:*:* |
| gl-inet | gl-a1300_firmware | 4.3.7 | cpe:2.3:o:gl-inet:gl-a1300_firmware:4.3.7:*:*:*:*:*:*:* |
| gl-inet | gl-a1300_firmware | 4.4.6 | cpe:2.3:o:gl-inet:gl-a1300_firmware:4.4.6:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://github.com/gl-inet/CVE-issues/blob/main/4.0.0/Authentication-bypass-seesion-ID.md | Exploit Issue Tracking Vendor Advisory |