CVE-2025-4656
HashiCorp Vault Uncontrolled Cancellation Denial of Service
Description
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.
INFO
Published Date :
June 25, 2025, 5:15 p.m.
Last Modified :
June 26, 2025, 6:57 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
1.4
Exploitability Score :
1.6
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-4656.
| URL | Resource |
|---|---|
| https://discuss.hashicorp.com/t/hcsec-2025-11-vault-vulnerable-to-recovery-key-cancellation-denial-of-service/75570 |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-4656 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-4656 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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New CVE Received by [email protected]
Jun. 25, 2025
Action Type Old Value New Value Added Description 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. Added CVSS V3.1 AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L Added CWE CWE-1088 Added Reference https://discuss.hashicorp.com/t/hcsec-2025-11-vault-vulnerable-to-recovery-key-cancellation-denial-of-service/75570
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-4656 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-4656
weaknesses.