What is the CVSS score of CVE-2023-31476?

CVE-2023-31476 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N. EPSS exploitation probability: 0.8%.

Is there a public PoC exploit available for CVE-2023-31476?

Yes, a public proof-of-concept exploit is available for CVE-2023-31476. Prioritise patching immediately. EPSS: 0.8%.

Gl Mv1000W Firmware CVE-2023-31476

HIGH

Command Injection (CWE-77)

2023-05-09 cve@mitre.org

Command Injection Gl Mv1000W Firmware Gl Mv1000 Firmware

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Lifecycle Timeline

CVE Published

May 09, 2023 - 16:15 nvd

HIGH 7.5

DescriptionNVD

An issue was discovered on GL.iNet devices running firmware before 3.216. There is an arbitrary file write in which an empty file can be created almost anywhere on the filesystem, as long as the filename and path is no more than 6 characters (the working directory is /www).

AnalysisAI

An issue was discovered on GL.iNet devices running firmware before 3.216. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Command Injection (CWE-77), which allows attackers to inject arbitrary commands into system command execution. An issue was discovered on GL.iNet devices running firmware before 3.216. There is an arbitrary file write in which an empty file can be created almost anywhere on the filesystem, as long as the filename and path is no more than 6 characters (the working directory is /www). Affected products include: Gl-Inet Gl-Mv1000W Firmware, Gl-Inet Gl-Mv1000 Firmware. Version information: before 3.216..

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use parameterized APIs, avoid shell execution, validate input with strict allowlists.