CVE-2021-46759
mediumpriority · track · 24EPSS 0.003 · 21 %ileDEEUUSEPSS · scored 2026-10-27
Improper syscall input validation in AMD TEE (Trusted Execution Environment) may allow an attacker with physical access and control of a Uapp that runs under the bootloader to reveal the contents of the ASP (AMD Secure Processor) bootloader accessible memory to a serial port, resulting in a potential loss of integrity.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (203)
Products and version ranges known to be affected.
- amd athlon gold 3150g firmware= picassopi-fp5_1.0.0.envdUScpe:2.3:o:amd:athlon_gold_3150g_firmware:*:*:*:*:*:*:*:*
- amd athlon gold 3150g firmware= pollockpi-ft5_1.0.0.4nvdUScpe:2.3:o:amd:athlon_gold_3150g_firmware:*:*:*:*:*:*:*:*
- amd athlon gold 3150ge firmware= picassopi-fp5_1.0.0.envdUScpe:2.3:o:amd:athlon_gold_3150ge_firmware:*:*:*:*:*:*:*:*
- amd athlon gold 3150ge firmware= pollockpi-ft5_1.0.0.4nvdUScpe:2.3:o:amd:athlon_gold_3150ge_firmware:*:*:*:*:*:*:*:*
- amd athlon silver 3050ge firmware= picassopi-fp5_1.0.0.envdUScpe:2.3:o:amd:athlon_silver_3050ge_firmware:*:*:*:*:*:*:*:*
- amd athlon silver 3050ge firmware= pollockpi-ft5_1.0.0.4nvdUScpe:2.3:o:amd:athlon_silver_3050ge_firmware:*:*:*:*:*:*:*:*
advisories (1)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2023-1190AMD Prozessoren: Mehrere SchwachstellenDeutsch2023-05-09csaf · cert_bundDE
Ein lokaler Angreifer kann mehrere Schwachstellen in AMD Prozessoren ausnutzen, um beliebigen Programmcode mit Administratorrechten auszuführen, Informationen offenzulegen, Dateien zu manipulieren oder einen Denial of Service Zustand herbeizuführen.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (5)
External citations — patches, advisories, analysis.
- https://cxsecurity.com/cveshow/CVE-2021-46759/cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2021-46759cnnvd
- https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001cnnvd
- https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001enisa_euvd
- https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001Vendor Advisorynvd
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