How severe is CVE-2021-0086?

CVE-2021-0086 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-0086 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-0086?

CVE-2021-0086 primarily affects Intel Brand Verification Tool. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-0086?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-0086 published?

CVE-2021-0086 was published on 2021-06-09 and last updated on 2026-06-17.

CVE-2021-0086

CVE-2021-0086 is a medium-severity vulnerability in Intel Brand Verification Tool with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-203.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 2.1
EPSS exploit prediction: 0% (29th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-203
Affected product: Intel Brand Verification Tool
Published: 2021-06-09
Last modified: 2026-06-17

Description

Observable response discrepancy in floating-point operations for some Intel(R) Processors may allow an authorized user to potentially enable information disclosure via local access.

Frequently asked questions

What is CVE-2021-0086?: Observable response discrepancy in floating-point operations for some Intel(R) Processors may allow an authorized user to potentially enable information disclosure via local access.
How severe is CVE-2021-0086?: CVE-2021-0086 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-0086 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-0086?: CVE-2021-0086 primarily affects Intel Brand Verification Tool. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-0086?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-0086 published?: CVE-2021-0086 was published on 2021-06-09 and last updated on 2026-06-17.

References

Affected products (8)

cpe:2.3:a:intel:brand_verification_tool:*:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
cpe:2.3:o:intel:pentium_processors_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_processors_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:xeon_processors_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:core_processors_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:itanium_processors_firmware:-:*:*:*:*:*:*:*

More vulnerabilities in Intel Brand Verification Tool

CVE-2021-0143 — High (CVSS 7.8): Improper permissions in the installer for the Intel(R) Brand Verification Tool before version 11.0.0.1225 may allow an…

All CVEs affecting Intel Brand Verification Tool →

Other CWE-203 (Observable Discrepancy) vulnerabilities

CVE-2019-25337 — Critical (CVSS 9.8): OwnCloud 8.1.8 contains a username enumeration vulnerability that allows remote attackers to discover user accounts by…
CVE-2026-23519 — Critical (CVSS 9.8): RustCrypto CMOV provides conditional move CPU intrinsics which are guaranteed on major platforms to execute in…
CVE-2025-27667 — Critical (CVSS 9.8): Vasion Print (formerly PrinterLogic) before Virtual Appliance Host 22.0.843 Application 20.0.1923 allows Administrative…
CVE-2024-25714 — Critical (CVSS 9.8): In Rhonabwy through 1.1.13, HMAC signature verification uses a strcmp function that is vulnerable to side-channel…
CVE-2024-25191 — Critical (CVSS 9.8): php-jwt 1.0.0 uses strcmp (which is not constant time) to verify authentication, which makes it easier to bypass…
CVE-2024-25190 — Critical (CVSS 9.8): l8w8jwt 2.2.1 uses memcmp (which is not constant time) to verify authentication, which makes it easier to bypass…

Browse all CWE-203 (Observable Discrepancy) vulnerabilities →