Vulnerability DatabaseCVE-2025-11374
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CVE-2025-11374
October 28, 2025
Consul and Consul Enterprise’s (“Consul”) key/value endpoint is vulnerable to denial of service (DoS) due to incorrect Content Length header validation. This vulnerability, CVE-2025-11374, is fixed in Consul Community Edition 1.22.0 and Consul Enterprise 1.22.0, 1.21.6, 1.20.8 and 1.18.12.
Related Resources (8)
https://nvd.nist.gov/vuln/detail/CVE-2025-11374
https://github.com/hashicorp/consul
https://github.com/hashicorp/consul/commit/72a358cd02533477536ad4bd2b781f520fa7fac6
https://github.com/hashicorp/consul/releases/tag/v1.22.0
https://github.com/advisories/GHSA-7g3r-8c6v-hfmr
https://pkg.go.dev/vuln/GO-2025-4081
https://github.com/hashicorp/consul/pull/22916
https://discuss.hashicorp.com/t/hcsec-2025-29-consuls-kv-endpoint-is-vulnerable-to-denial-of-service/76724
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CVSS v4
Base Score:
7.1
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Allocation of Resources Without Limits or Throttling
CWE-770
EPSS
Base Score:
0.02