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CVE-2023-50920

17
FAUCET Score

CVE-2023-50920 is a medium-severity vulnerability affecting various GL.iNet router models running firmware versions prior to 4.5.0 or 4.3.7, depending on the device. The flaw, categorized as CWE-384 (Session Fixation), allows attackers to bypass authentication by reusing static session IDs assigned after each device reboot. While the attack requires local access and low privileges, successful exploitation could lead to unauthorized actions or access control bypasses, with a CVSS score of 5.5. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
4.3.7CPE matchmatch criteria
cpe:2.3:o:gl-inet:gl-ax1800_firmware:4.3.7:*:*:*:*:*:*:*
4.4.6CPE matchmatch criteria
cpe:2.3:o:gl-inet:gl-ax1800_firmware:4.4.6:*:*:*:*:*:*:*
4.3.7CPE matchmatch criteria
cpe:2.3:o:gl-inet:gl-axt1800_firmware:4.3.7:*:*:*:*:*:*:*
4.4.6CPE matchmatch criteria
cpe:2.3:o:gl-inet:gl-axt1800_firmware:4.4.6:*:*:*:*:*:*:*
4.3.7CPE matchmatch criteria
cpe:2.3:o:gl-inet:gl-mt3000_firmware:4.3.7:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.20%
Probability of exploitation in next 30 days
EPSS Percentile
9.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0020 is in the 47th percentile among its peer group of 15,940 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

github_advisoryvendor investigatingvia nvd_reference
View patch

References

github.com / gl-inet/CVE-issues/blob/main/4.0.0/Authentication-bypass-seesion-ID.md
ExploitIssue TrackingVendor Advisory