CVE-2020-5379 Privilege escalation in CPG BIOS
A local attacker can overwrite UEFI boot services to execute arbitrary code in System Management Mode, requiring a BIOS upgrade.
- 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-2020-5379?
CVE-2020-5379 is a medium-severity vulnerability in Dell CPG BIOS, published on 2 Sep 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Dell Inspiron 7352 BIOS versions prior to A12 contain a UEFI BIOS Boot Services overwrite vulnerability. A local attacker with access to system memory may exploit this vulnerability by overwriting the EFI_BOOT_SERVICES structure to execute arbitrary code in System Management Mode (SMM).
Weakness: CWE-693
Which versions are affected by CVE-2020-5379?
It affects 1 product.
Products include Dell Inspiron 7352 Bios.
How do I fix CVE-2020-5379?
No fix has been published for CVE-2020-5379 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-5379 being exploited?
There is no known exploitation of CVE-2020-5379 in the wild and no public exploit code.
Sources
Also known as GHSA-xp3q-55jv-wpp2.