CVE-2021-0146: intel atom_c3000
CVSS: 6.8v3.1MediumModified
AliasesALPINE-CVE-2021-0146UBUNTU-CVE-2021-0146
Published 17-11-2021Last modified 08-10-2026
Vulnerability summary
CVE-2021-0146 is a medium (CVSS 6.8) vulnerability in intel atom_c3000. EPSS estimates a 0.44% chance of exploitation in the next 30 days, higher than 36.6% of scored vulnerabilities.
CVSS score
6.8/10
010
Medium · v3.1 (NVD)EPSS score
0.44%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 10 · Related 9Timeline
- 17-11-2021PublishedVulnerability first disclosed.
- 08-10-2026Last modifiedVulnerability information updated.
Description
Hardware allows activation of test or debug logic at runtime for some Intel(R) processors which may allow an unauthenticated user to potentially enable escalation of privilege via physical access.
CVSS metrics
4 scores · 3 sources · 2 versionsMedium 6.8Preferred score · NVD (NIST)
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSources3 sources · 6.8–7.1
- OSV · AlpineEcosystem advisory · calculated6.8MediumCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · UbuntuEcosystem advisory · calculated7.1HighCVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:HDiffers
Medium 4.6Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
0.44%
Chance of exploitation in the next 30 days
Percentile
37%
Versus all other CVEs
30-day change
0.00 pp
From 0.44% on 19-09-2026
19-09-202619-10-2026
EPSS score0.44%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Intel72 products
- atom_c3000na
- atom_x5-e3930_firmwarena
- atom_x5-e3940_firmwarena
- atom_x7-e3950_firmwarena
- celeron_j1750_firmwarena
Alpine1 product
- intel-ucode< 20220207-r0
Ubuntu1 product
- intel-microcodeAll versions (No fix recorded) | < 3.20220510.0ubuntu0.16.04.1+esm1 | < 3.20220510.0ubuntu0.18.04.1 | < 3.20220510.0ubuntu0.20.04.1 | < 3.20220510.0ubuntu0.22.04.1
3 vendors · 74 products
References
7 links- www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00528.htmlX Refsource MISCREPORTVendor Advisory