CVE-2020-8320 Privilege escalation in BIOS
An internal shell in Lenovo ThinkPad BIOS allows attackers to escalate privileges on affected devices.
- 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-2020-8320?
CVE-2020-8320 is a medium-severity vulnerability in Lenovo BIOS, published on 9 Jun 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An internal shell was included in BIOS image in some ThinkPad models that could allow escalation of privilege.
Which versions are affected by CVE-2020-8320?
It affects 100 products.
Products include Lenovo Thinkpad 11e Firmware, Lenovo Thinkpad 11e Yoga Gen 6 Firmware, Lenovo Thinkpad 13 2nd Gen Firmware, Lenovo Thinkpad 13 Firmware, Lenovo Thinkpad A275 Firmware, Lenovo Thinkpad A285 Firmware and 94 more.
How do I fix CVE-2020-8320?
No fix has been published for CVE-2020-8320 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-8320 being exploited?
There is no known exploitation of CVE-2020-8320 in the wild and no public exploit code.
Other vulnerabilities in Lenovo BIOS
Sources
Also known as GHSA-cmxh-vpch-g426.