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CVE-2021-33142

16
FAUCET Score

CVE-2021-33142 describes an improper input validation vulnerability in Intel Ethernet Adapters and I225 Manageability firmware. This flaw could allow a privileged local user to cause a denial of service. Rated Medium severity with a CVSS score of 6.0, the attack requires local access and high privileges, but has low attack complexity. The primary impact is a denial of service, with no confidentiality or integrity impact. Currently, there is no evidence of active exploitation, and no public exploit code (Metasploit, Nuclei, ExploitDB) is available. The vulnerability has received minimal community discussion and media coverage, indicating low public awareness.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.87CPE matchmatch criteria
cpe:2.3:o:intel:ethernet_controller_i225-it_firmware:*:*:*:*:*:*:*:*
< 1.87CPE matchmatch criteria
cpe:2.3:o:intel:ethernet_controller_i225-lm_firmware:*:*:*:*:*:*:*:*
< 1.87CPE matchmatch criteria
cpe:2.3:o:intel:ethernet_controller_i225-v_firmware:*:*:*:*:*:*:*:*
< 29.0.1CPE matchmatch criteria
cpe:2.3:a:intel:ethernet_adapter_complete_driver:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.0MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.5
Impact Score
4.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.23%
Probability of exploitation in next 30 days
EPSS Percentile
13.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0023 is in the 58th percentile among its peer group of 3,720 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (5)

9001patch availablevia llm_extracted
View patch
gatsbyjspatch availablevia llm_extracted
View patch
joinmastodonpatch availablevia llm_extracted
View patch
mariadbpatch availablevia llm_extracted
View patch
nodejspatch availablevia llm_extracted
View patch

Vendor Advisories (5)

nodejsllm-nodejs-708fe72c084028b7HIGH

Intel Ethernet Controller I225 May 2024 Security Update

May 14, 2024
gatsbyjsllm-gatsbyjs-dc8f8ac54d18b252HIGH

Intel Ethernet Controller I225 May 2024 Security Update

May 14, 2024
9001llm-9001-aa61ff08bf86e3faHIGH

Intel Ethernet Controller I225 May 2024 Security Update

May 14, 2024
joinmastodonllm-joinmastodon-5c2a8185d9dfd755HIGH

Intel Ethernet Controller I225 May 2024 Security Update

May 14, 2024
mariadbllm-mariadb-60b264059b1d2687HIGH

Intel Ethernet Controller I225 May 2024 Security Update

May 14, 2024

References

intel.com / content/www/us/en/security-center/advisory/intel-sa-00756.html
Vendor Advisory