Is CVE-2021-41612 in the CISA KEV catalog?

No. CVE-2021-41612 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-41612?

CVE-2021-41612 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2021-41612?

CVE-2021-41612 has an EPSS score of 1.15% (63th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-41612?

Upgrade mor1kx firmware to 5.1 or later.

CVE & CISA-KEV Catalog

CVE-2021-41612

HIGH

8.8

CVSS v3

NVD

Description

An issue was discovered in the ALU unit of the OpenRISC mor1kx processor. The carry flag is not being updated correctly for the subtract instruction, which results in an incorrect value of the carry flag. Any software that relies on this flag may experience corruption in execution.

How to fix

Remediation Available

mor1kx firmwareNVD

Affected:< 5.1Fixed in:5.1CVE-2021-41612derived 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 VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

1.15%probability of exploitation in 30 days

63rdpercentile

Moderate risk: more likely to be exploited than 63% of all known CVEs.

References

Exploit1

seth.engr.tamu.edu

VDB Entry1

github.com

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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 2025-02-06.