CVE-2021-0157

Celeron N2805 vulnerability

CVSS

6.7

EPSS

3.1%

EPSS pct

86th

Exploited

No known

Insufficient control flow management in the BIOS firmware for some Intel(R) Processors may allow a privileged user to potentially enable escalation of privilege via local access.

Affected vendor

Intel

Affected product

Celeron N2805

CVSS vector

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

Published

2021-11-17

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable with local access, low attack complexity, requiring high privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 3.1% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 86% of all scored CVEs.

Check your external exposure to CVE-2021-0157

Confirm whether Intel Celeron N2805 is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2021-0157.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2021-0157

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2021-0157 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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