CVE-2021-0176: intel amt_ac_8260_firmware Improper Input Validation
CVSS: 4.4v3.1MediumModified
AliasesUBUNTU-CVE-2021-0176
Published 09-02-2022Last modified 05-05-2025
Vulnerability summary
CVE-2021-0176 is a medium (CVSS 4.4) Improper Input Validation vulnerability in intel amt_ac_8260_firmware. EPSS estimates a 0.27% chance of exploitation in the next 30 days, higher than 17.5% of scored vulnerabilities.
CVSS score
4.4/10
010
Medium · v3.1 (CVE.org)EPSS score
0.27%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 4 · Related 3Timeline
- 09-02-2022PublishedVulnerability first disclosed.
- 05-05-2025Last modifiedVulnerability information updated.
Description
Improper input validation in firmware for some Intel(R) PROSet/Wireless Wi-Fi in multiple operating systems and some Killer(TM) Wi-Fi in Windows 10 and 11 may allow a privileged user to potentially enable denial of service via local access.
CVSS metrics
4 scores · 3 sources · 2 versionsMedium 4.4Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated4.4MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
- NVDNIST4.4MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Low 2.1Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
0.27%
Chance of exploitation in the next 30 days
Percentile
18%
Versus all other CVEs
30-day change
0.00 pp
From 0.27% on 21-09-2026
21-09-202621-10-2026
EPSS score0.27%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Intel22 products
- amt_ac_8260_firmware< 11.8.90
- amt_ac_8265_firmware< 11.8.90
- amt_ac_9260_firmware< 12.0.85
- amt_ac_9560_firmware< 12.0.85
- amt_wi-fi_6_ax200_firmware< 12.0.85 | ≥ 14.0.0, < 14.1.60 | ≥ 15.0.0, < 15.0.35
Ubuntu1 product
- linux-firmwareAll versions (No fix recorded)
2 vendors · 23 products
References
3 links- www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00539.htmlX Refsource MISCREPORTVendor Advisory