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CVE-2021-0084

24
FAUCET Score

CVE-2021-0084 describes an improper input validation vulnerability in the Intel Ethernet Controllers X722 and 800 series Linux RDMA driver before version 1.3.19. This flaw could allow an authenticated local user to escalate privileges. Rated as HIGH severity (CVSS 7.8), it carries a high impact on confidentiality, integrity, and availability, requiring local access with low attack complexity. There is no evidence of active exploitation, public exploit code, or significant community discussion, though it has received limited media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.4.11CPE matchmatch criteria
cpe:2.3:o:intel:ethernet_controller_e810_firmware:*:*:*:*:*:linux:*:*
< 1.3.19CPE matchmatch criteria
cpe:2.3:o:intel:x722da2_firmware:*:*:*:*:*:*:*:*
< 1.3.19CPE matchmatch criteria
cpe:2.3:o:intel:x722da4fh_firmware:*:*:*:*:*:*:*:*
< 1.3.19CPE matchmatch criteria
cpe:2.3:o:intel:x722da4g1p5_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.32%
Probability of exploitation in next 30 days
EPSS Percentile
23.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0032 is in the 61st percentile among its peer group of 17,061 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2021-0084Important

kernel: Improper input validation in the Intel(R) Ethernet Controllers X722 and 800 series Linux RMDA driver

Aug 11, 2021

References

security.netapp.com / advisory/ntap-20210827-0008
Third Party Advisory
intel.com / content/www/us/en/security-center/advisory/intel-sa-00515.html
Vendor Advisory