How severe is CVE-2020-0551?

CVE-2020-0551 has a CVSS 3.x base score of 5.6, rated medium severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2020-0551 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-0551?

CVE-2020-0551 primarily affects Intel Atom C2308. In total, 1321 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-0551?

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

When was CVE-2020-0551 published?

CVE-2020-0551 was published on 2020-03-12 and last updated on 2026-06-17.

CVE-2020-0551

CVE-2020-0551 is a medium-severity vulnerability in Intel Atom C2308 with a CVSS 3.x base score of 5.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 5.6)
CVSS v2: 1.9
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Intel Atom C2308
Published: 2020-03-12
Last modified: 2026-06-17

Description

Load value injection in some Intel(R) Processors utilizing speculative execution may allow an authenticated user to potentially enable information disclosure via a side channel with local access. The list of affected products is provided in intel-sa-00334: https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00334.html

Frequently asked questions

What is CVE-2020-0551?: Load value injection in some Intel(R) Processors utilizing speculative execution may allow an authenticated user to potentially enable information disclosure via a side channel with local access. The list of affected products is provided in intel-sa-00334: https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00334.html
How severe is CVE-2020-0551?: CVE-2020-0551 has a CVSS 3.x base score of 5.6, rated medium severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2020-0551 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-0551?: CVE-2020-0551 primarily affects Intel Atom C2308. In total, 1321 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-0551?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-0551 published?: CVE-2020-0551 was published on 2020-03-12 and last updated on 2026-06-17.

References

Affected products (1321)

cpe:2.3:h:intel:atom_c2308:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:atom_c2316:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:atom_c2338:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:atom_c2350:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:atom_c2358:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:atom_c2508:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:atom_c2516:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:atom_c2518:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:atom_c2530:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:atom_c2538:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:atom_c2550:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:atom_c2558:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:atom_c2718:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:atom_c2730:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:atom_c2738:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:atom_c2750:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:atom_c2758:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:atom_e3805:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:atom_e3815:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:atom_e3825:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:atom_e3826:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:atom_e3827:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:atom_e3845:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:atom_x5-z8300:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:atom_x5-z8330:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:atom_x5-z8350:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:atom_x5-z8500:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:atom_x5-z8550:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:atom_x7-z8700:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:atom_x7-z8750:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:atom_z3680:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:atom_z3735d:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:atom_z3735e:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:atom_z3735f:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:atom_z3735g:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:atom_z3736f:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:atom_z3736g:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:atom_z3740:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:atom_z3740d:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:atom_z3745:-:*:*:*:*:*:*:*

More vulnerabilities in Intel Atom C2308

CVE-2021-33150 — Medium (CVSS 6.8): Hardware allows activation of test or debug logic at runtime for some Intel(R) Trace Hub instances which may allow an…
CVE-2017-5703 — Medium (CVSS 6.0): Configuration of SPI Flash in platforms based on multiple Intel platforms allow a local attacker to alter the behavior…

All CVEs affecting Intel Atom C2308 →