CVE-2025-11375
BaseFortify
Publication date: 2025-10-28
Last updated on: 2025-12-22
Assigner: HashiCorp Inc.
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| hashicorp | consul | to 1.18.12 (exc) |
| hashicorp | consul | to 1.22.0 (exc) |
| hashicorp | consul | From 1.19.0 (inc) to 1.20.8 (exc) |
| hashicorp | consul | From 1.21.0 (inc) to 1.21.6 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-770 | The product allocates a reusable resource or group of resources on behalf of an actor without imposing any intended restrictions on the size or number of resources that can be allocated. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability in Consul and Consul Enterprise affects the event endpoint, which does not enforce a maximum limit on the Content Length header. This allows an attacker to send very large requests that can cause a denial of service (DoS) by overwhelming the system.
How can this vulnerability impact me? :
The vulnerability can lead to a denial of service (DoS) condition, making the Consul service unavailable or unresponsive, which can disrupt operations relying on Consul for service discovery or configuration.
What immediate steps should I take to mitigate this vulnerability?
To mitigate this vulnerability, you should upgrade Consul Community Edition to version 1.22.0 or later, or Consul Enterprise to versions 1.22.0, 1.21.6, 1.20.8, or 1.18.12 or later.