What’s Vulnerable › Vulnerabilities

CVE-2020-12138

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-04-27 · updated 2026-06-17
• Weakness: CWE-862

Description

AMD ATI atillk64.sys 5.11.9.0 allows low-privileged users to interact directly with physical memory by calling one of several driver routines that map physical memory into the virtual address space of the calling process. This could enable low-privileged users to achieve NT AUTHORITY\SYSTEM privileges via a DeviceIoControl call associated with MmMapIoSpace, IoAllocateMdl, MmBuildMdlForNonPagedPool, or MmMapLockedPages.

Affected products

• AMD Atillk64: 5.11.9.0

References

• https://eclypsium.com/2019/11/12/mother-of-all-drivers/
• https://h0mbre.github.io/atillk64_exploit/
• https://eclypsium.com/2019/11/12/mother-of-all-drivers/
• https://h0mbre.github.io/atillk64_exploit/

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