Is CVE-2021-26373 in the CISA KEV catalog?

No. CVE-2021-26373 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-26373?

CVE-2021-26373 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2021-26373?

CVE-2021-26373 has an EPSS score of 0.21% (11th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-26373?

Upgrade epyc 7232p firmware to romepi-sp3_1.0.0.d or later. Fixes are available for 87 affected products.

CVE & CISA-KEV Catalog

CVE-2021-26373

MEDIUM

5.5

CVSS v3

NVD

Description

Insufficient bound checks in the System Management Unit (SMU) may result in a system voltage malfunction that could result in denial of resources and/or possibly denial of service.

CWE-20Improper Input Validation

How to fix

Remediation Available

epyc 7232p firmwareNVD

Affected:< romepi-sp3_1.0.0.dFixed in:romepi-sp3_1.0.0.dCVE-2021-26373derived from NVD

epyc 7252 firmwareNVD

Affected:< romepi-sp3_1.0.0.dFixed in:romepi-sp3_1.0.0.dCVE-2021-26373derived from NVD

epyc 7262 firmwareNVD

Affected:< romepi-sp3_1.0.0.dFixed in:romepi-sp3_1.0.0.dCVE-2021-26373derived from NVD

epyc 7272 firmwareNVD

Affected:< romepi-sp3_1.0.0.dFixed in:romepi-sp3_1.0.0.dCVE-2021-26373derived from NVD

epyc 7282 firmwareNVD

Affected:< romepi-sp3_1.0.0.dFixed in:romepi-sp3_1.0.0.dCVE-2021-26373derived from NVD

epyc 72f3 firmwareNVD

Affected:< milanpi-sp3_1.0.0.7Fixed in:milanpi-sp3_1.0.0.7CVE-2021-26373derived from NVD

epyc 7302 firmwareNVD

Affected:< romepi-sp3_1.0.0.dFixed in:romepi-sp3_1.0.0.dCVE-2021-26373derived from NVD

epyc 7302p firmwareNVD

Affected:< romepi-sp3_1.0.0.dFixed in:romepi-sp3_1.0.0.dCVE-2021-26373derived from NVD

epyc 7313p firmwareNVD

Affected:< milanpi-sp3_1.0.0.7Fixed in:milanpi-sp3_1.0.0.7CVE-2021-26373derived from NVD

epyc 7343 firmwareNVD

Affected:< milanpi-sp3_1.0.0.7Fixed in:milanpi-sp3_1.0.0.7CVE-2021-26373derived from NVD

epyc 7352 firmwareNVD

Affected:< romepi-sp3_1.0.0.dFixed in:romepi-sp3_1.0.0.dCVE-2021-26373derived from NVD

epyc 7373x firmwareNVD

Affected:< milanpi-sp3_1.0.0.7Fixed in:milanpi-sp3_1.0.0.7CVE-2021-26373derived from NVD

epyc 73f3 firmwareNVD

Affected:< milanpi-sp3_1.0.0.7Fixed in:milanpi-sp3_1.0.0.7CVE-2021-26373derived from NVD

epyc 7402 firmwareNVD

Affected:< romepi-sp3_1.0.0.dFixed in:romepi-sp3_1.0.0.dCVE-2021-26373derived from NVD

epyc 7402p firmwareNVD

Affected:< romepi-sp3_1.0.0.dFixed in:romepi-sp3_1.0.0.dCVE-2021-26373derived from NVD

epyc 7413 firmwareNVD

Affected:< milanpi-sp3_1.0.0.7Fixed in:milanpi-sp3_1.0.0.7CVE-2021-26373derived from NVD

epyc 7443p firmwareNVD

Affected:< milanpi-sp3_1.0.0.7Fixed in:milanpi-sp3_1.0.0.7CVE-2021-26373derived from NVD

epyc 7452 firmwareNVD

Affected:< romepi-sp3_1.0.0.dFixed in:romepi-sp3_1.0.0.dCVE-2021-26373derived from NVD

epyc 7453 firmwareNVD

Affected:< milanpi-sp3_1.0.0.7Fixed in:milanpi-sp3_1.0.0.7CVE-2021-26373derived from NVD

epyc 7473x firmwareNVD

Affected:< milanpi-sp3_1.0.0.7Fixed in:milanpi-sp3_1.0.0.7CVE-2021-26373derived from NVD

epyc 74f3 firmwareNVD

Affected:< milanpi-sp3_1.0.0.7Fixed in:milanpi-sp3_1.0.0.7CVE-2021-26373derived from NVD

epyc 7502 firmwareNVD

Affected:< romepi-sp3_1.0.0.dFixed in:romepi-sp3_1.0.0.dCVE-2021-26373derived from NVD

epyc 7502p firmwareNVD

Affected:< romepi-sp3_1.0.0.dFixed in:romepi-sp3_1.0.0.dCVE-2021-26373derived from NVD

epyc 7513 firmwareNVD

Affected:< milanpi-sp3_1.0.0.7Fixed in:milanpi-sp3_1.0.0.7CVE-2021-26373derived from NVD

epyc 7532 firmwareNVD

Affected:< romepi-sp3_1.0.0.dFixed in:romepi-sp3_1.0.0.dCVE-2021-26373derived from NVD

epyc 7542 firmwareNVD

Affected:< romepi-sp3_1.0.0.dFixed in:romepi-sp3_1.0.0.dCVE-2021-26373derived from NVD

epyc 7543p firmwareNVD

Affected:< milanpi-sp3_1.0.0.7Fixed in:milanpi-sp3_1.0.0.7CVE-2021-26373derived from NVD

epyc 7552 firmwareNVD

Affected:< romepi-sp3_1.0.0.dFixed in:romepi-sp3_1.0.0.dCVE-2021-26373derived from NVD

epyc 7573x firmwareNVD

Affected:< milanpi-sp3_1.0.0.7Fixed in:milanpi-sp3_1.0.0.7CVE-2021-26373derived from NVD

epyc 75f3 firmwareNVD

Affected:< milanpi-sp3_1.0.0.7Fixed in:milanpi-sp3_1.0.0.7CVE-2021-26373derived from NVD

epyc 7642 firmwareNVD

Affected:< romepi-sp3_1.0.0.dFixed in:romepi-sp3_1.0.0.dCVE-2021-26373derived from NVD

epyc 7643 firmwareNVD

Affected:< milanpi-sp3_1.0.0.7Fixed in:milanpi-sp3_1.0.0.7CVE-2021-26373derived from NVD

epyc 7662 firmwareNVD

Affected:< romepi-sp3_1.0.0.dFixed in:romepi-sp3_1.0.0.dCVE-2021-26373derived from NVD

epyc 7663 firmwareNVD

Affected:< milanpi-sp3_1.0.0.7Fixed in:milanpi-sp3_1.0.0.7CVE-2021-26373derived from NVD

epyc 7702 firmwareNVD

Affected:< romepi-sp3_1.0.0.dFixed in:romepi-sp3_1.0.0.dCVE-2021-26373derived from NVD

epyc 7702p firmwareNVD

Affected:< romepi-sp3_1.0.0.dFixed in:romepi-sp3_1.0.0.dCVE-2021-26373derived from NVD

epyc 7713 firmwareNVD

Affected:< milanpi-sp3_1.0.0.7Fixed in:milanpi-sp3_1.0.0.7CVE-2021-26373derived from NVD

epyc 7713p firmwareNVD

Affected:< milanpi-sp3_1.0.0.7Fixed in:milanpi-sp3_1.0.0.7CVE-2021-26373derived from NVD

epyc 7742 firmwareNVD

Affected:< romepi-sp3_1.0.0.dFixed in:romepi-sp3_1.0.0.dCVE-2021-26373derived from NVD

epyc 7763 firmwareNVD

Affected:< milanpi-sp3_1.0.0.7Fixed in:milanpi-sp3_1.0.0.7CVE-2021-26373derived from NVD

epyc 7773x firmwareNVD

Affected:< milanpi-sp3_1.0.0.7Fixed in:milanpi-sp3_1.0.0.7CVE-2021-26373derived from NVD

epyc 7f32 firmwareNVD

Affected:< romepi-sp3_1.0.0.dFixed in:romepi-sp3_1.0.0.dCVE-2021-26373derived from NVD

epyc 7f52 firmwareNVD

Affected:< romepi-sp3_1.0.0.dFixed in:romepi-sp3_1.0.0.dCVE-2021-26373derived from NVD

epyc 7f72 firmwareNVD

Affected:< romepi-sp3_1.0.0.dFixed in:romepi-sp3_1.0.0.dCVE-2021-26373derived from NVD

ryzen 3 2200u firmwareNVD

Affected:< picassopi-fp5_1.0.0.dFixed in:picassopi-fp5_1.0.0.dCVE-2021-26373derived from NVD

ryzen 3 2300u firmwareNVD

Affected:< picassopi-fp5_1.0.0.dFixed in:picassopi-fp5_1.0.0.dCVE-2021-26373derived from NVD

ryzen 3 3100 firmwareNVD

Affected:< comboam4_v2_pi_1.2.0.6cFixed in:comboam4_v2_pi_1.2.0.6cCVE-2021-26373derived from NVD

ryzen 3 3200u firmwareNVD

Affected:< renoirpi-fp6_1.0.0.7Fixed in:renoirpi-fp6_1.0.0.7CVE-2021-26373derived from NVD

ryzen 3 3250u firmwareNVD

Affected:< renoirpi-fp6_1.0.0.7Fixed in:renoirpi-fp6_1.0.0.7CVE-2021-26373derived from NVD

ryzen 3 3300x firmwareNVD

Affected:< comboam4_v2_pi_1.2.0.6cFixed in:comboam4_v2_pi_1.2.0.6cCVE-2021-26373derived from NVD

ryzen 5 2500u firmwareNVD

Affected:< picassopi-fp5_1.0.0.dFixed in:picassopi-fp5_1.0.0.dCVE-2021-26373derived from NVD

ryzen 5 2600h firmwareNVD

Affected:< picassopi-fp5_1.0.0.dFixed in:picassopi-fp5_1.0.0.dCVE-2021-26373derived from NVD

ryzen 5 2600x firmwareNVD

Affected:< comboam4pi_1.0.0.8Fixed in:comboam4pi_1.0.0.8CVE-2021-26373derived from NVD

ryzen 5 2700 firmwareNVD

Affected:< comboam4_v2_pi_1.2.0.6cFixed in:comboam4_v2_pi_1.2.0.6cCVE-2021-26373derived from NVD

ryzen 5 5500 firmwareNVD

Affected:< comboam4_v2_pi_1.2.0.6cFixed in:comboam4_v2_pi_1.2.0.6cCVE-2021-26373derived from NVD

ryzen 5 5600 firmwareNVD

Affected:< comboam4_v2_pi_1.2.0.6cFixed in:comboam4_v2_pi_1.2.0.6cCVE-2021-26373derived from NVD

ryzen 5 5600g firmwareNVD

Affected:< comboam4_v2_pi_1.2.0.6cFixed in:comboam4_v2_pi_1.2.0.6cCVE-2021-26373derived from NVD

ryzen 5 5600x firmwareNVD

Affected:< comboam4_v2_pi_1.2.0.6cFixed in:comboam4_v2_pi_1.2.0.6cCVE-2021-26373derived from NVD

ryzen 7 2700 firmwareNVD

Affected:< comboam4_v2_pi_1.2.0.6cFixed in:comboam4_v2_pi_1.2.0.6cCVE-2021-26373derived from NVD

ryzen 7 2700u firmwareNVD

Affected:< picassopi-fp5_1.0.0.dFixed in:picassopi-fp5_1.0.0.dCVE-2021-26373derived from NVD

ryzen 7 2700x firmwareNVD

Affected:< comboam4pi_1.0.0.8Fixed in:comboam4pi_1.0.0.8CVE-2021-26373derived from NVD

ryzen 7 2800h firmwareNVD

Affected:< picassopi-fp5_1.0.0.dFixed in:picassopi-fp5_1.0.0.dCVE-2021-26373derived from NVD

ryzen 7 5700g firmwareNVD

Affected:< comboam4_v2_pi_1.2.0.6cFixed in:comboam4_v2_pi_1.2.0.6cCVE-2021-26373derived from NVD

ryzen 7 5700x firmwareNVD

Affected:< comboam4_v2_pi_1.2.0.6cFixed in:comboam4_v2_pi_1.2.0.6cCVE-2021-26373derived from NVD

ryzen 7 5800x3d firmwareNVD

Affected:< comboam4_v2_pi_1.2.0.6cFixed in:comboam4_v2_pi_1.2.0.6cCVE-2021-26373derived from NVD

ryzen 7 5800x firmwareNVD

Affected:< comboam4_v2_pi_1.2.0.6cFixed in:comboam4_v2_pi_1.2.0.6cCVE-2021-26373derived from NVD

ryzen 9 5900x firmwareNVD

Affected:< comboam4_v2_pi_1.2.0.6cFixed in:comboam4_v2_pi_1.2.0.6cCVE-2021-26373derived from NVD

ryzen 9 5950x firmwareNVD

Affected:< comboam4_v2_pi_1.2.0.6cFixed in:comboam4_v2_pi_1.2.0.6cCVE-2021-26373derived from NVD

ryzen threadripper 1900x firmwareNVD

Affected:< castlepeakpi-sp3r3_1.0.0.7Fixed in:castlepeakpi-sp3r3_1.0.0.7CVE-2021-26373derived from NVD

ryzen threadripper 1920x firmwareNVD

Affected:< castlepeakpi-sp3r3_1.0.0.7Fixed in:castlepeakpi-sp3r3_1.0.0.7CVE-2021-26373derived from NVD

ryzen threadripper 1950x firmwareNVD

Affected:< castlepeakpi-sp3r3_1.0.0.7Fixed in:castlepeakpi-sp3r3_1.0.0.7CVE-2021-26373derived from NVD

ryzen threadripper 2920x firmwareNVD

Affected:< castlepeakpi-sp3r3_1.0.0.7Fixed in:castlepeakpi-sp3r3_1.0.0.7CVE-2021-26373derived from NVD

ryzen threadripper 2950x firmwareNVD

Affected:< castlepeakpi-sp3r3_1.0.0.7Fixed in:castlepeakpi-sp3r3_1.0.0.7CVE-2021-26373derived from NVD

ryzen threadripper 2970wx firmwareNVD

Affected:< castlepeakpi-sp3r3_1.0.0.7Fixed in:castlepeakpi-sp3r3_1.0.0.7CVE-2021-26373derived from NVD

ryzen threadripper 2990wx firmwareNVD

Affected:< castlepeakpi-sp3r3_1.0.0.7Fixed in:castlepeakpi-sp3r3_1.0.0.7CVE-2021-26373derived from NVD

ryzen threadripper 3960x firmwareNVD

Affected:< castlepeakpi-sp3r3_1.0.0.7Fixed in:castlepeakpi-sp3r3_1.0.0.7CVE-2021-26373derived from NVD

ryzen threadripper 3970x firmwareNVD

Affected:< castlepeakpi-sp3r3_1.0.0.7Fixed in:castlepeakpi-sp3r3_1.0.0.7CVE-2021-26373derived from NVD

ryzen threadripper 3990x firmwareNVD

Affected:< castlepeakpi-sp3r3_1.0.0.7Fixed in:castlepeakpi-sp3r3_1.0.0.7CVE-2021-26373derived from NVD

ryzen threadripper pro 3945wx firmwareNVD

Affected:< castlepeakwspi-swrx8_1.0.0.9Fixed in:castlepeakwspi-swrx8_1.0.0.9CVE-2021-26373derived from NVD

ryzen threadripper pro 3955wx firmwareNVD

Affected:< castlepeakwspi-swrx8_1.0.0.9Fixed in:castlepeakwspi-swrx8_1.0.0.9CVE-2021-26373derived from NVD

ryzen threadripper pro 3975wx firmwareNVD

Affected:< castlepeakwspi-swrx8_1.0.0.9Fixed in:castlepeakwspi-swrx8_1.0.0.9CVE-2021-26373derived from NVD

ryzen threadripper pro 3995wx firmwareNVD

Affected:< castlepeakwspi-swrx8_1.0.0.9Fixed in:castlepeakwspi-swrx8_1.0.0.9CVE-2021-26373derived from NVD

ryzen threadripper pro 5945wx firmwareNVD

Affected:< castlepeakwspi-swrx8_1.0.0.9Fixed in:castlepeakwspi-swrx8_1.0.0.9CVE-2021-26373derived from NVD

ryzen threadripper pro 5955wx firmwareNVD

Affected:< castlepeakwspi-swrx8_1.0.0.9Fixed in:castlepeakwspi-swrx8_1.0.0.9CVE-2021-26373derived from NVD

ryzen threadripper pro 5965wx firmwareNVD

Affected:< castlepeakwspi-swrx8_1.0.0.9Fixed in:castlepeakwspi-swrx8_1.0.0.9CVE-2021-26373derived from NVD

ryzen threadripper pro 5975wx firmwareNVD

Affected:< castlepeakwspi-swrx8_1.0.0.9Fixed in:castlepeakwspi-swrx8_1.0.0.9CVE-2021-26373derived from NVD

ryzen threadripper pro 5995wx firmwareNVD

Affected:< castlepeakwspi-swrx8_1.0.0.9Fixed in:castlepeakwspi-swrx8_1.0.0.9CVE-2021-26373derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

0.21%probability of exploitation in 30 days

11thpercentile

Low risk: more likely to be exploited than 11% of all known CVEs.

References

Vendor Advisory2

Related Vulnerabilities

Other CWE-20 (Improper Input Validation) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-3400	Critical	10.0	100%	KEV + Ransom	-
CVE-2021-45105	Medium	5.9	100%	-	Fix
CVE-2021-44228	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2021-21985	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2018-7600	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2020-3452	High	7.5	100%	KEV	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.