Is CVE-2021-27454 in the CISA KEV catalog?

No. CVE-2021-27454 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-27454?

CVE-2021-27454 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2021-27454?

CVE-2021-27454 has an EPSS score of 0.23% (14th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-27454?

Upgrade reason dr60 firmware to 02a04.1 or later.

CVE & CISA-KEV Catalog

CVE-2021-27454

HIGH

7.8

CVSS v3

NVD

Description

The software performs an operation at a privilege level higher than the minimum level required, which creates new weaknesses or amplifies the consequences of other weaknesses on the Reason DR60 (all firmware versions prior to 02A04.1).

CWE-250 CWE-269Improper Privilege Management

How to fix

Remediation Available

reason dr60 firmwareNVD

Affected:< 02a04.1Fixed in:02a04.1CVE-2021-27454derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.23%probability of exploitation in 30 days

14thpercentile

Low risk: more likely to be exploited than 14% of all known CVEs.

References

Third-Party Advisory1

us-cert.cisa.gov

Related Vulnerabilities

Other CWE-250 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-1222	High	8.6	64%	-	Fix
CVE-2025-12420	Critical	9.8	45%	-	Fix
CVE-2024-38813	High	7.5	17%	KEV	Fix
CVE-2025-34515	Critical	9.8	7.3%	-	-
CVE-2026-29205	High	8.6	7.2%	-	-
CVE-2019-16765	High	7.4	4.7%	-	Fix

Embed a live status badge for CVE-2021-27454

Markdown

[![CVE-2021-27454](https://tridentstack.com/cve/badge/CVE-2021-27454.svg)](https://tridentstack.com/cve/CVE-2021-27454)

HTML

<a href="https://tridentstack.com/cve/CVE-2021-27454"><img src="https://tridentstack.com/cve/badge/CVE-2021-27454.svg" alt="CVE-2021-27454"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.