CVE-2020-8705 Misconfiguration in Intel(R) Boot Guard, Intel(R) CSME, Intel(R) TXE, Intel(R) SPS
Insecure default initialization in Intel Boot Guard allows unauthenticated users with physical access to escalate privileges.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-8705?
CVE-2020-8705 is a medium-severity vulnerability in Intel(R) Boot Guard, Intel(R) CSME, Intel(R) TXE, Intel(R) SPS, published on 12 Nov 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Insecure default initialization of resource in Intel(R) Boot Guard in Intel(R) CSME versions before 11.8.80, 11.12.80, 11.22.80, 12.0.70, 13.0.40, 13.30.10, 14.0.45 and 14.5.25, Intel(R) TXE versions before 3.1.80 and 4.0.30, Intel(R) SPS versions before E5_04.01.04.400, E3_04.01.04.200, SoC-X_04.00.04.200 and SoC-A_04.00.04.300 may allow an unauthenticated user to potentially enable escalation of privileges via physical access.
Weakness: CWE-1188
Which versions are affected by CVE-2020-8705?
It affects 3 products.
Products include Intel Converged Security and Manageability Engine, Intel Server Platform Services, Intel Trusted Execution Technology.
How do I fix CVE-2020-8705?
No fix has been published for CVE-2020-8705 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-8705 being exploited?
There is no known exploitation of CVE-2020-8705 in the wild and no public exploit code.
Other vulnerabilities in Intel(R) Boot Guard, Intel(R) CSME, Intel(R) TXE, Intel(R) SPS
- CVE-2020-12297 Privilege escalation in Intel(R) CSME, Intel TXE
- CVE-2020-12303 Use after free in Intel(R) CSME, Intel(R) TXE
- CVE-2020-24516 Privilege escalation in Intel(R) CSME versions
- CVE-2020-8745 Privilege escalation in Intel(R) CSME, Intel(R) TXE
- CVE-2020-8703 Privilege escalation in Intel(R) CSME versions
Sources
Also known as GHSA-xpc3-gf76-6g72.