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CVE-2025-4656

14
FAUCET Score

CVE-2025-4656 is a denial-of-service vulnerability affecting HashiCorp Vault Community and Enterprise editions, stemming from uncontrolled cancellation during rekey and recovery key operations. This vulnerability has a low CVSS score of 3.1, indicating a low impact (denial of service) with high attack complexity and requiring user interaction. While patches are available across multiple Vault versions, there is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 1.14.8, < 1.16.22CPE matchmatch criteria
cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:*
>= 1.14.8, < 1.20.0CPE matchmatch criteria
cpe:2.3:a:hashicorp:vault:*:*:*:*:-:*:*:*
>= 1.17.0, < 1.17.17CPE matchmatch criteria
cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:*
>= 1.18.0, < 1.18.11CPE matchmatch criteria
cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:*
>= 1.19.0, < 1.19.6CPE matchmatch criteria
cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:*

CVSS Data

CVSS version used by this source: 3.1

3.1LOW

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
Exploitability Score
1.6
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.21%
Probability of exploitation in next 30 days
EPSS Percentile
12.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0021 is in the 38th percentile among its peer group of 232 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.2 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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

Remediation

Patch Available

Vendor Patches (8)

gopatch availablevia ghsa
Product: github.com/hashicorp/vaultFixed in: 1.20.0
redhatvendor investigatingvia redhat_api
Product: cert-manager Operator for Red Hat OpenShiftFixed in: cert-manager/cert-manager-operator-rhel9
redhatvendor investigatingvia redhat_api
Product: Red Hat Openshift Data Foundation 4Fixed in: odf4/cephcsi-rhel9
redhatvendor investigatingvia redhat_api
Product: Red Hat Openshift Data Foundation 4Fixed in: odf4/mcg-cli-rhel9
redhatvendor investigatingvia redhat_api
Product: Red Hat Openshift Data Foundation 4Fixed in: odf4/mcg-rhel9-operator
redhatvendor investigatingvia redhat_api
Product: Red Hat Openshift Data Foundation 4Fixed in: odf4/odf-cli-rhel9
redhatvendor investigatingvia redhat_api
Product: Red Hat Trusted Artifact SignerFixed in: rhtas/client-server-rhel9
redhatvendor investigatingvia redhat_api
Product: Red Hat Trusted Artifact SignerFixed in: rhtas/fulcio-rhel9

Vendor Advisories (2)

goGHSA-fhc2-8qx8-6vj7low

Vault Community Edition rekey and recovery key operations can cause denial of service

Jun 26, 2025
redhatCVE-2025-4656Low

github.com/hashicorp/vault: Vault Denial of Service

Jun 25, 2025

References

discuss.hashicorp.com / t/hcsec-2025-11-vault-vulnerable-to-recovery-key-cancellation-denial-of-service/75570
Vendor Advisory