CVE-2023-20540
1.8
CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
Summary
An observable timing discrepancy in the ASP could allow a privileged attacker to perform a brute-force attack against the hash message authentication code, allowing arbitrary message input, potentially leading to a loss of data integrity.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| AMD | AMD Ryzen™ 3000 Series Desktop Processors | ComboAM4 1.0.0.E | unaffected |
| AMD | AMD Ryzen™ 3000 Series Desktop Processors | ComboAM4v2PI 1.2.0.CA | unaffected |
| AMD | AMD Ryzen™ 5000 Series Desktop Processors | ComboAM4v2PI 1.2.0.CA | unaffected |
| AMD | AMD Ryzen™ Threadripper™ 3000 Series Processors | CastlePeakPI-SP3r3 1.0.0.C | unaffected |
| AMD | AMD Ryzen™ Threadripper™ PRO 3000WX Series Processors | CastlePeakWSPI-sWRX8 1.0.0.E | unaffected |
| AMD | AMD Ryzen™ Threadripper™ PRO 5000 WX-Series Processors | ChagallWSPI-sWRX8 1.0.0.9 | unaffected |
Weaknesses
- CWE-208: CWE-208 Observable timing discrepancy
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
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