CVE-2023-20558
Insufficient control flow management in AmdCpmOemSmm may allow a privileged attacker to tamper...
Insufficient control flow management in AmdCpmOemSmm may allow a privileged attacker to tamper with the SMM handler potentially leading to an escalation of privileges.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Insufficient control flow management in AmdCpmOemSmm may allow a privileged attacker to tamper with the SMM handler potentially leading to an escalation of privileges.
- Record
CVE-2023-20558- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-670
- Updated
- 2026-11-02
CVE List
Insufficient control flow management in AmdCpmOemSmm may allow a privileged attacker to tamper with the SMM handler potentially leading to an escalation of privileges.
- Record
CVE-2023-20558- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-670
- Updated
- 2026-11-02
EUVDEUVD-2023-24737
Insufficient control flow management in AmdCpmOemSmm may allow a privileged attacker to tamper with the SMM handler potentially leading to an escalation of privileges.
- Record
EUVD-2023-24737- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-xq4j-j5qp-3mfq
Insufficient control flow management in AmdCpmOemSmm may allow a privileged attacker to tamper...
Insufficient control flow management in AmdCpmOemSmm may allow a privileged attacker to tamper with the SMM handler potentially leading to an escalation of privileges.
- Record
GHSA-xq4j-j5qp-3mfq- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-670
- Updated
- 2026-11-02
Affected products
- amd 2nd gen amd ryzen™ threadripper™ processor
- amd 3rd gen amd ryzen™ threadripper™ processors
- amd athlon gold 3150u firmware
- amd athlon silver 3050u firmware
- amd ryzen 3 2200u firmware
- amd ryzen 3 2300u firmware
- amd ryzen 3 3200u firmware
- amd ryzen 3 3250u firmware
- amd ryzen 3 3300u firmware
- amd ryzen 3 3300x firmware
- amd ryzen 3 3350u firmware
- amd ryzen 3 3450u firmware
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- amd ryzen 3 3500c firmware
- amd ryzen 3 3500u firmware
- amd ryzen 3 3550h firmware
- amd ryzen 3 3580u firmware
- amd ryzen 3 3700c firmware
- amd ryzen 3 3700u firmware
- amd ryzen 3 3750h firmware
- amd ryzen 3 3780u firmware
- amd ryzen 3 4300g firmware
- amd ryzen 3 4300ge firmware
- amd ryzen 3 5125c firmware
- amd ryzen 3 5300g firmware
- amd ryzen 3 5300ge firmware
- amd ryzen 3 5400u firmware
- amd ryzen 3 5425c firmware
- amd ryzen 3 5425u firmware
- amd ryzen 5 2500u firmware
- amd ryzen 5 2600 firmware
- amd ryzen 5 2600h firmware
- amd ryzen 5 2600x firmware
- amd ryzen 5 2700 firmware
- amd ryzen 5 2700x firmware
- amd ryzen 5 3500 firmware
- amd ryzen 5 3500x firmware
- amd ryzen 5 3600 firmware
- amd ryzen 5 3600x firmware
- amd ryzen 5 3600xt firmware
- amd ryzen 5 4600g firmware
- amd ryzen 5 4600ge firmware
- amd ryzen 5 5560u firmware
- amd ryzen 5 5600g firmware
- amd ryzen 5 5600ge firmware
- amd ryzen 5 5600h firmware
- amd ryzen 5 5600hs firmware
- amd ryzen 5 5600u firmware
- amd ryzen 5 5625c firmware
- amd ryzen 5 5625u firmware
- amd ryzen 7 2700 firmware
- amd ryzen 7 2700u firmware
- amd ryzen 7 2700x firmware
- amd ryzen 7 2800h firmware
- amd ryzen 7 3700x firmware
- amd ryzen 7 3800x firmware
- amd ryzen 7 3800xt firmware
- amd ryzen 7 4700g firmware
- amd ryzen 7 4700ge firmware
- amd ryzen 7 5700g firmware
- amd ryzen 7 5700ge firmware
- amd ryzen 7 5800h firmware
- amd ryzen 7 5800hs firmware
- amd ryzen 7 5800u firmware
- amd ryzen 7 5825c firmware
- amd ryzen 7 5825u firmware
- amd ryzen 9 3900 firmware
- amd ryzen 9 3900x firmware
- amd ryzen 9 3900xt firmware
- amd ryzen 9 3950x firmware
- amd ryzen 9 5900hs firmware
- amd ryzen 9 5900hx firmware
- amd ryzen 9 5980hs firmware
- amd ryzen 9 5980hx firmware
- amd ryzen 9 pro 3900 firmware
- amd ryzen threadripper 2920x firmware
- amd ryzen threadripper 2950x firmware
- amd ryzen threadripper 2970wx firmware
- amd ryzen threadripper 2990wx firmware
- amd ryzen threadripper 3960x firmware
- amd ryzen threadripper 3970x firmware
- amd ryzen threadripper 3990x firmware
- amd ryzen threadripper pro 3795wx firmware
- amd ryzen threadripper pro 3945wx firmware
- amd ryzen threadripper pro 3955wx firmware
- amd ryzen threadripper pro 3975wx firmware
- amd ryzen threadripper pro 3995wx firmware
- amd ryzen threadripper pro 5945wx firmware
- amd ryzen threadripper pro 5955wx firmware
- amd ryzen threadripper pro 5965wx firmware
- amd ryzen threadripper pro 5975wx firmware
- amd ryzen threadripper pro 5995wx firmware
- amd ryzen™ 2000 series
- amd ryzen™ 3000 series
- amd ryzen™ 4000 series
- amd ryzen™ 5000 series
- amd ryzen™ threadripper™ pro processor
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-20558 is a high vulnerability (CVSS 8.8) in Amd 2nd Gen Amd Ryzen™ Threadripper™ Processor, published March 23, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.67%, the 52nd percentile. No source names a fixed version.