Is CVE-2021-41805 in the CISA KEV catalog?

No. CVE-2021-41805 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-41805?

CVE-2021-41805 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2021-41805?

CVE-2021-41805 has an EPSS score of 34.79% (98th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-41805?

Upgrade HashiCorp Consul to 1.9.11 or later.

CVE & CISA-KEV Catalog

CVE-2021-41805

HIGHEPSS 98th pctl

8.8

CVSS v3

NVD

Description

HashiCorp Consul Enterprise before 1.8.17, 1.9.x before 1.9.11, and 1.10.x before 1.10.4 has Incorrect Access Control. An ACL token (with the default operator:write permissions) in one namespace can be used for unintended privilege escalation in a different namespace.

CWE-863Incorrect Authorization

How to fix

Remediation Available

HashiCorp ConsulWindows application

Affected:1.9.0 1.9.11Fixed in:1.9.11HashiCorp

Affected:1.10.0 1.10.4Fixed in:1.10.4HashiCorp

Affected:1.7.0 1.8.17Fixed in:1.8.17HashiCorp

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

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 VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

34.79%probability of exploitation in 30 days

98thpercentile

Very high risk: more likely to be exploited than 98% of all known CVEs.

References

Vendor Advisory2

Third-Party Advisory1

security.netapp.com

Related Vulnerabilities

Other CWE-863 (Incorrect Authorization) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-22518	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2023-38035	Critical	9.8	100%	KEV + Ransom	-
CVE-2022-46169	Critical	9.8	100%	KEV	Fix
CVE-2024-38856	Critical	9.8	99%	KEV	Fix
CVE-2025-29927	Critical	9.1	99%	-	Fix
CVE-2020-36289	Medium	5.3	99%	-	Fix

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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.