Insufficient control flow management in some Intel(R) Ethernet Adapters and Intel(R) Ethernet Controller I225 Manageability firmware may al…

published 2024-02-23 2 y ago modified 2026-06-17 4 mo ago also EUVD-2021-19872

cvss: 7.2; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 9%
public exploits: 0; none known

Insufficient control flow management in some Intel(R) Ethernet Adapters and Intel(R) Ethernet Controller I225 Manageability firmware may allow a privileged user to potentially enable escalation of privilege via local access.

Patch / fix

fixed in 4

intel ethernet_adapter_complete_driver 29.0.1
intel ethernet_controller_i225-it_firmware 1.87
intel ethernet_controller_i225-lm_firmware 1.87
intel ethernet_controller_i225-v_firmware 1.87

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 2 y ago (2024-05-20)

Exploit prediction

0.20% chance of exploitation in the next 30 days, higher than 9% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.2	CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:H

Affected products

n/a Intel(R) Ethernet Adapters and Intel(R) Ethernet Controller I225 Manageability firmware

Classification

Weakness

CWE-691 Insufficient Control Flow Management

References

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

Sources

CVE List CVE-2021-33157
NVD CVE-2021-33157

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary