CVE-2021-46748
No known exploitation. EPSS puts it in the 10th percentile. A vendor fix is available.
What to do
The vendor has published a fix. Version details are below where the sources state them.
What it is
From the CVE record
Insufficient bounds checking in the ASP (AMD Secure Processor) may allow an attacker to access memory outside the bounds of what is permissible to a TA (Trusted Application) resulting in a potential denial of service.
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
0.2% chance of exploitation activity in the next 30 days, which ranks it in the 10th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
5 events over 457 days, from the signal feeds we watch.
- Patch availablerecord updated
- Publishedweakness classified, att&ck mapped
Affected products
- AMD Radeon SoftwareHardware Firmware
- AMD Radeon RX 5000 Series Graphics CardsHardware Firmware
- AMD Radeon RX 6000 Series Graphics CardsHardware Firmware
- AMD Radeon PRO W5000 Series Graphics CardsHardware Firmware
- AMD Radeon PRO W6000 Series Graphics CardsHardware Firmware
- AMD Radeon PRO W7000 Series Graphics CardsHardware Firmware
- AMD Radeon RX Vega Series Graphics CardsHardware Firmware
- AMD Radeon PRO WX Vega Series Graphics CardsHardware Firmware
- radeon softwareHardware Firmware
- radeon rx vega 56 firmwareHardware Firmware
- radeon rx vega 64 firmwareHardware Firmware
- radeon pro vega 56 firmwareHardware Firmware
- radeon pro vega 64 firmwareHardware Firmware
- Radeon™ RX 5000/6000/7000 Series Graphics CardsHardware Firmware
- Radeon™ PRO W5000/W6000/W7000 Series Graphics CardsHardware Firmware
- Radeon™ RX Vega Series Graphics CardsHardware Firmware
And 8 more affected products. See all after sign-in
Technical detail
CVSS 3.1 vector
Open in the CVSS calculatorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Scored 5.5 by NVD.
How it is reached
- Attack Vector LocalRequires local access to the vulnerable system (e.g. local login, malicious file)
- Attack Complexity LowNo special conditions — the attack can be reliably reproduced
- Privileges Required LowRequires basic user-level privileges
- User Interaction NoneNo user interaction needed — fully automated exploitation
Scope
- Scope UnchangedImpact is limited to the vulnerable component itself
Impact if exploited
- Confidentiality NoneNo confidentiality impact
- Integrity NoneNo integrity impact
- Availability HighTotal denial of service — the component is completely unavailable
Weaknesses
ATT&CK techniques
Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.
- Initial AccessT1190Exploit Public-Facing Applicationhigh confidence
- Privilege EscalationT1068Exploitation for Privilege Escalationhigh confidence
Sources
Watch the software you run.
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We'll flag the next CVE, public exploit or patch for AMD Radeon Software, not every advisory.
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