CVE-2021-0145: intel celeron_6305_firmware Improper Initialization
CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2021-0145DEBIAN-CVE-2021-0145
Published 09-02-2022Last modified 05-05-2025
Vulnerability summary
CVE-2021-0145 is a medium (CVSS 5.5) Improper Initialization vulnerability in intel celeron_6305_firmware. EPSS estimates a 0.33% chance of exploitation in the next 30 days, higher than 23.9% of scored vulnerabilities.
CVSS score
5.5/10
010
Medium · v3.1 (CVE.org)EPSS score
0.33%
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
- 09-02-2022PublishedVulnerability first disclosed.
- 05-05-2025Last modifiedVulnerability information updated.
Description
Improper initialization of shared resources in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.
CVSS metrics
5 scores · 4 sources · 2 versionsMedium 5.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NSourcesAll 4 agree
- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Low 2.1Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:P/I:N/A:NSourcesSingle source
EPSS trend
Probability
0.33%
Chance of exploitation in the next 30 days
Percentile
24%
Versus all other CVEs
30-day change
0.00 pp
From 0.33% on 18-09-2026
18-09-202618-10-2026
EPSS score0.33%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Intel120 products
- celeron_6305_firmwarena
- celeron_6305e_firmwarena
- celeron_6600he_firmwarena
- core_i3-1000g1_firmwarena
- core_i3-1000g4_firmwarena
Debian1 product
- intel-microcode< 3.20220207.1
Netapp1 product
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
4 vendors · 123 products
References
8 links- www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00561.htmlX Refsource MISCREPORTVendor Advisory