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CVE-2022-23821

Amd Ryzen 3 3100 Firmware vulnerability

9.8 CRITICALEPSS 0.99%
  1. Published14 Nov 2023

Description

Improper access control in System Management Mode (SMM) may allow an attacker to write to SPI ROM potentially leading to arbitrary code execution.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Amd Athlon 3015ce Firmwarepollockpi-ft5_1.0.0.5
Amd Athlon 3015e Firmwarepollockpi-ft5_1.0.0.5
Amd Ryzen 3 3100 Firmwarecomboam4_pi_1.0.0.9 · comboam4_v2_pi_1.2.0.8
Amd Ryzen 3 3200u Firmwarepicassopi-fp5_1.0.0.e
Amd Ryzen 3 3250c Firmwarepicassopi-fp5_1.0.0.e
Amd Ryzen 3 3250u Firmwarepicassopi-fp5_1.0.0.e
Amd Ryzen 3 3300u Firmwarepicassopi-fp5_1.0.0.e
Amd Ryzen 3 3300x Firmwarecomboam4_pi_1.0.0.9 · comboam4_v2_pi_1.2.0.8
Amd Ryzen 3 3350u Firmwarepicassopi-fp5_1.0.0.e
Amd Ryzen 3 4300u Firmwarerenoirpi-fp6_1.0.0.9
Amd Ryzen 3 5100 Firmwarecomboam4v2_pi_1.2.0.8
Amd Ryzen 3 5125c Firmwarecezannepi-fp6_1.0.0.b
Amd Ryzen 3 5400u Firmwarecezannepi-fp6_1.0.0.b
Amd Ryzen 3 5425u Firmwarecezannepi-fp6_1.0.0.b
Amd Ryzen 3 7335u Firmwarerembrandtpi-fp7_1.0.0.2
Amd Ryzen 5 3450u Firmwarepicassopi-fp5_1.0.0.e
Amd Ryzen 5 3500c Firmwarepicassopi-fp5_1.0.0.e
Amd Ryzen 5 3500 Firmwarecomboam4_pi_1.0.0.9 · comboam4_v2_pi_1.2.0.8
Amd Ryzen 5 3500u Firmwarepicassopi-fp5_1.0.0.e
Amd Ryzen 5 3500x Firmwarecomboam4_pi_1.0.0.9 · comboam4_v2_pi_1.2.0.8
Amd Ryzen 5 3550h Firmwarepicassopi-fp5_1.0.0.e
Amd Ryzen 5 3580u Firmwarepicassopi-fp5_1.0.0.e
Amd Ryzen 5 3600 Firmwarecomboam4_pi_1.0.0.9 · comboam4_v2_pi_1.2.0.8
Amd Ryzen 5 3600x Firmwarecomboam4_pi_1.0.0.9 · comboam4_v2_pi_1.2.0.8

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

Frequently asked

Is CVE-2022-23821 being actively exploited?

CVE-2022-23821 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.99%.

How severe is CVE-2022-23821?

CVE-2022-23821 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.99% probability of exploitation.

Which products are affected by CVE-2022-23821?

Affected products include Amd Athlon 3015ce Firmware, Amd Athlon 3015e Firmware, Amd Ryzen 3 3100 Firmware, Amd Ryzen 3 3200u Firmware, Amd Ryzen 3 3250c Firmware, and 19 more.

How do I fix CVE-2022-23821?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2022-23821 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.