Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2025-11375

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
28/10/2025
Last modified:
22/12/2025

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.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 6.50 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x
6.50
Severity 3.x
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:hashicorp:consul:*:*:*:*:enterprise:*:*:* 1.18.12 (excluding)
cpe:2.3:a:hashicorp:consul:*:*:*:*:-:*:*:* 1.22.0 (excluding)
cpe:2.3:a:hashicorp:consul:*:*:*:*:enterprise:*:*:* 1.19.0 (including) 1.20.8 (excluding)
cpe:2.3:a:hashicorp:consul:*:*:*:*:enterprise:*:*:* 1.21.0 (including) 1.21.6 (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools