CVE-2025-11374CWE-770denial-of-service

CVE-2025-11374

Medium · published October 29, 2025

CVSS v3.1
6.5
EPSS
0%
Percentile
35.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00425 · 35.7th percentile
Weakness
CWE-770 · Allocation of Resources Without Limits or Throttling
Published
2025-10-29T01:15Z
Affected products (4)
ProductVersionsFixed in
hashicorp/consul< 1.18.121.18.12
hashicorp/consul< 1.22.01.22.0
hashicorp/consul≥ 1.19.0, < 1.20.81.20.8
hashicorp/consul≥ 1.21.0, < 1.21.61.21.6
References (1)
https://discuss.hashicorp.com/t/hcsec-2025-29-consuls-kv-endpoint-is-vulnerable-to-denial-of-service/76724 · [email protected]
EPSS history
Timeline
  • 28 OCT 20:19Z
    Consul's KV endpoint is vulnerable to denial of service
    cvelistv5