5.7

CVE-2021-33114: intel ac_1550_firmware Improper Input Validation

CVSS: 5.7v3.1MediumModified
AliasesUBUNTU-CVE-2021-33114
Published 09-02-2022Last modified 05-05-2025

Vulnerability summary

CVE-2021-33114 is a medium (CVSS 5.7) Improper Input Validation vulnerability in intel ac_1550_firmware. EPSS estimates a 0.50% chance of exploitation in the next 30 days, higher than 41.2% of scored vulnerabilities.

Overall risk
23/100
0100
Low · default modelHow is this calculated?
CVSS score
5.7/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.50%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 09-02-2022
    PublishedVulnerability first disclosed.
  2. 05-05-2025
    Last modifiedVulnerability information updated.

Description

Improper input validation for some Intel(R) PROSet/Wireless WiFi in multiple operating systems and Killer(TM) WiFi in Windows 10 and 11 may allow an authenticated user to potentially enable denial of service via adjacent access.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.50%

Chance of exploitation in the next 30 days

Percentile

41%

Versus all other CVEs

30-day change

0.00 pp

From 0.50% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.50%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Intel15 products
Ubuntu1 product
  • linux-firmwareAll versions (No fix recorded)

2 vendors · 16 products

References

3 links