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CVE-2021-33159

23
FAUCET Score

CVE-2021-33159 is an improper authentication vulnerability in Intel Active Management Technology (AMT) firmware versions prior to 11.8.93, 11.22.93, 11.12.93, 12.0.92, 14.1.67, 15.0.42, and 16.1.25. This flaw allows a privileged local user to potentially escalate privileges. With a CVSS score of 6.7 (Medium), the attack requires local access and high privileges, but has a high impact on confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code, or inclusion in CISA's KEV catalog, and it has received minimal community discussion and media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 11.8.93CPE matchmatch criteria
cpe:2.3:o:intel:active_management_technology_firmware:*:*:*:*:*:*:*:*
>= 11.12.0, < 11.12.93CPE matchmatch criteria
cpe:2.3:o:intel:active_management_technology_firmware:*:*:*:*:*:*:*:*
>= 11.22.0, < 11.22.93CPE matchmatch criteria
cpe:2.3:o:intel:active_management_technology_firmware:*:*:*:*:*:*:*:*
>= 12.0, < 12.0.92CPE matchmatch criteria
cpe:2.3:o:intel:active_management_technology_firmware:*:*:*:*:*:*:*:*
>= 14.1, < 14.1.67CPE matchmatch criteria
cpe:2.3:o:intel:active_management_technology_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.4HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.1
Impact Score
5.8
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.18%
Probability of exploitation in next 30 days
EPSS Percentile
7.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0018 is in the 46th percentile among its peer group of 3,720 CVEs.

Social Chatter

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

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

Remediation

Remediation records are not available for this CVE.

References

intel.com / content/www/us/en/security-center/advisory/intel-sa-00610.html
Vendor Advisory