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Vulnerability details: VCID-emvy-2fnu-5kd3
Vulnerability ID VCID-emvy-2fnu-5kd3
Aliases CVE-2021-27668
Summary Multiple vulnerabilities have been discovered in HashiCorp Vault, the worst of which could result in denial of service.
Status Published
Exploitability None
Weighted Severity None
Risk None
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-306 Missing Authentication for Critical Function
System Score Found at
cvssv3 5.3 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-27668.json
epss 0.00349 https://api.first.org/data/v1/epss?cve=CVE-2021-27668
epss 0.00349 https://api.first.org/data/v1/epss?cve=CVE-2021-27668
epss 0.00349 https://api.first.org/data/v1/epss?cve=CVE-2021-27668
epss 0.00349 https://api.first.org/data/v1/epss?cve=CVE-2021-27668
epss 0.00349 https://api.first.org/data/v1/epss?cve=CVE-2021-27668
epss 0.00349 https://api.first.org/data/v1/epss?cve=CVE-2021-27668
epss 0.00349 https://api.first.org/data/v1/epss?cve=CVE-2021-27668
epss 0.00349 https://api.first.org/data/v1/epss?cve=CVE-2021-27668
epss 0.00349 https://api.first.org/data/v1/epss?cve=CVE-2021-27668
epss 0.00349 https://api.first.org/data/v1/epss?cve=CVE-2021-27668
epss 0.00349 https://api.first.org/data/v1/epss?cve=CVE-2021-27668
epss 0.00349 https://api.first.org/data/v1/epss?cve=CVE-2021-27668
epss 0.00349 https://api.first.org/data/v1/epss?cve=CVE-2021-27668
epss 0.00349 https://api.first.org/data/v1/epss?cve=CVE-2021-27668
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-27668.json
https://api.first.org/data/v1/epss?cve=CVE-2021-27668
2189758 https://bugzilla.redhat.com/show_bug.cgi?id=2189758
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-27668.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.57319
EPSS Score 0.00349
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T13:03:16.619743+00:00 Gentoo Importer Import https://security.gentoo.org/glsa/202207-01 38.0.0