VulnerabilityDeferred
CVE-2023-48010
STMicroelectronics SPC58 is vulnerable to Missing Protection Mechanism for Alternate Hardware Interface.
CRITICAL 9.8EPSS 0.46%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.46%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
STMicroelectronics SPC58 is vulnerable to Missing Protection Mechanism for Alternate Hardware Interface. Code running as Supervisor on the SPC58 PowerPC microcontrollers may disable the System Memory Protection Unit and gain unabridged read/write access to protected assets.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.46% probability · 39th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-522
- Source
- cve@mitre.org
References
- https://plaxidityx.com/blog/blog-post/is-your-memory-protecteduncovering-hidden-vulnerabilities-in-automotive-mpu-mechanisms/
- https://www.st.com/resource/en/reference_manual/rm0452-spc58-h-line--32-bit-power-architecture-automotive-mcu-triple-z4-cores-200-mhz-10-mbytes-flash-hsm-asild-stmicroelectronics.pdf
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.