CVE-2020-12890

CVE-2020-12890 is a medium-severity vulnerability in Amd Amd Generic Encapsulated Software Architecture with a CVSS 3.x base score of 6.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Improper handling of pointers in the System Management Mode (SMM) handling code may allow for a privileged attacker with physical or administrative access to potentially manipulate the AMD Generic Encapsulated Software Architecture (AGESA) to execute arbitrary code undetected by the operating system.

Frequently asked questions

What is CVE-2020-12890?
Improper handling of pointers in the System Management Mode (SMM) handling code may allow for a privileged attacker with physical or administrative access to potentially manipulate the AMD Generic Encapsulated Software Architecture (AGESA) to execute arbitrary code undetected by the operating system.
How severe is CVE-2020-12890?
CVE-2020-12890 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-12890 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-12890?
CVE-2020-12890 affects Amd Amd Generic Encapsulated Software Architecture. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-12890?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-12890 published?
CVE-2020-12890 was published on 2021-12-10 and last updated on 2026-06-17.

References

Affected products (1)