CVE-2021-33146: intel ethernet_adapter_complete_driver Improper Input Validation
Vulnerability summary
CVE-2021-33146 is a medium (CVSS 5.3) Improper Input Validation vulnerability in intel ethernet_adapter_complete_driver. EPSS estimates a 0.55% chance of exploitation in the next 30 days, higher than 45.8% of scored vulnerabilities.
Not severe (CVSS 5.3, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Timeline
- 16-05-2024PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
Improper input validation in some Intel(R) Ethernet Adapters and Intel(R) Ethernet Controller I225 Manageability firmware may allow an unauthenticated user to potentially enable information disclosure via network access.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS trend
Probability
0.55%
Chance of exploitation in the next 30 days
Percentile
46%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.55% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-20Improper Input ValidationThe product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
- CWE-200Exposure of Sensitive Information to an Unauthorized ActorThe product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
Affected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Intel4 products
1 vendor · 4 products