VulnerabilityModified
CVE-2023-31476
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).
HIGH 7.5EPSS 0.80%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.80%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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).
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- EPSS
- 0.80% probability · 55th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-77
- Affected
- gl-inet/gl-mv1000w firmware · gl-inet/gl-mv1000 firmware
- Source
- cve@mitre.org
References
- https://github.com/gl-inet/CVE-issues/blob/main/3.215/GL-MV1000_Arbitrary_File_Creation.mdExploit, Third Party Advisory
- https://www.gl-inet.comProduct
- https://github.com/gl-inet/CVE-issues/blob/main/3.215/GL-MV1000_Arbitrary_File_Creation.mdExploit, Third Party Advisory
- https://www.gl-inet.comProduct
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.