CVE-2025-11375

MEDIUM

Consul < 1.18.12, 1.19.0-1.21.5, 1.22.0 - Denial of Service via Event Endpoint

Title source: llm
STIX 2.1

Description

Consul and Consul Enterprise’s (“Consul”) event endpoint is vulnerable to denial of service (DoS) due to lack of maximum value on the Content Length header. This vulnerability, CVE-2025-11375, 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.

References (1)

Core 1

Scores

CVSS v3 6.5
EPSS 0.0004
EPSS Percentile 12.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-770
Status published
Products (3)
hashicorp/consul < 1.18.12
hashicorp/consul < 1.22.0
hashicorp/consul 0 - 1.22.0Go
Published Oct 28, 2025
Tracked Since Feb 18, 2026