CVE-2021-46747
No known exploitation. EPSS puts it in the 1st percentile. No fix published yet.
What to do
No fixed build or workaround is published yet. Limit exposure and watch for a patch.
What it is
From the CVE record
Insufficient granularity of access control in ASP (AMD Secure Processor) may allow an attacker with an untrusted user space application to map sensitive SMN (System Management Network) apertures leading to a potential escalation of privileges.
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
<0.1% chance of exploitation activity in the next 30 days, which ranks it in the 1st percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
4 events over 51 days, from the signal feeds we watch.
- Record updated
- Record updated
- Publishedweakness classified
Affected products
- AMD Athlon™ 3000 Series Mobile Processors with Radeon™ GraphicsHardware Firmware
- AMD Ryzen™ Threadripper™ PRO 3000 WX-Series ProcessorsHardware Firmware
- AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ GraphicsHardware Firmware
- AMD Ryzen™ Threadripper™ PRO 5000 WX-Series ProcessorsHardware Firmware
- AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ GraphicsHardware Firmware
- AMD Ryzen™ 3000 Series Mobile Processors with Radeon™ GraphicsHardware Firmware
- AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ GraphicsHardware Firmware
- AMD Ryzen™ 3000 Series Desktop ProcessorsHardware Firmware
And 19 more affected products. See all after sign-in
Technical detail
Weaknesses
Sources
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