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Fencer Vulns
low 3.1

CVE-2025-4656 json

Vault Vulnerable to Recovery Key Cancellation Denial of Service

published 2025-06-25 16 mo ago modified 2026-09-10 1 mo ago also BIT-vault-2025-4656 , EUVD-2025-28064 , GHSA-fhc2-8qx8-6vj7 , GO-2025-3788

cvss
3.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 18%
public exploits
0
none known

Summary

Vault Community and Vault Enterprise rekey and recovery key operations can lead to a denial of service due to uncontrolled cancellation by a Vault operator. This vulnerability (CVE-2025-4656) has been remediated in Vault Community Edition 1.20.0 and Vault Enterprise 1.20.0, 1.19.6, 1.18.11, 1.17.17, and 1.16.22.

Patch / fix

  • go github.com/hashicorp/vault 1.20.0
  • bitnami vault 1.20.0
  • HashiCorp Vault 1.20.0
  • HashiCorp Vault Enterprise 1.16.22, 1.17.17, 1.18.11, 1.19.6, 1.20.0
  • govulncheck-vulndb openSUSE Tumbleweed 0.0.20250730T213748-1.1
  • openbao openSUSE Tumbleweed 2.3.1-1.1

opensuse advisories openSUSE-SU-2025:15405-1openSUSE-SU-2025:15254-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2025-4656 updated cvss 3.1

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

  • Red Hat cert-manager Operator for Red Hat OpenShift cert-manager/cert-manager-operator-rhel9 Red Hat Openshift Data Foundation 4 odf4/cephcsi-rhel9, odf4/mcg-cli-rhel9, odf4/odf-cli-rhel9, odf4/mcg-rhel9-operator Red Hat Trusted Artifact Signer rhtas/fulcio-rhel9, rhtas/client-server-rhel9
    affected: workaround, no fix available “Fix deferred”

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
16 mo ago

Exploit prediction

0.27% chance of exploitation in the next 30 days, higher than 18% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 3.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L
GitHub 3.1 3.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L
OSV 3.1 3.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L

Affected packages

ecosystem package affected fixed in
go github.com/hashicorp/vault
>=1.14.8, <1.20.0
1.20.0
bitnami vault
>=1.14.8, <1.20.0
1.20.0

Affected products

  • HashiCorp Vault
  • HashiCorp Vault Enterprise

Classification

Weakness
  • CWE-1088 Synchronous Access of Remote Resource without Timeout

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.