VulnerabilityModified
CVE-2021-41614
User programs from an unauthorized privilege level can make read/write accesses to EPCR.
HIGH 7.8EPSS 0.16%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.16%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An issue was discovered in the controller unit of the OpenRISC mor1kx processor. The read/write access permissions to the Exception Program Counter Register (EPCR) are not implemented correctly. User programs from an unauthorized privilege level can make read/write accesses to EPCR.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.16% probability · 6th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-276
- Affected
- openrisc/mor1kx firmware
- Source
- cve@mitre.org
References
- https://github.com/openrisc/mor1kx/issues/140Issue Tracking
- https://seth.engr.tamu.edu/software-releases/thehuzz/Third Party Advisory
- https://github.com/openrisc/mor1kx/issues/140Issue Tracking
- https://seth.engr.tamu.edu/software-releases/thehuzz/Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.