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CVE Vulnerability Details :
CVE-2025-11375
PUBLISHED
More InfoOfficial Page
Assigner-HashiCorp
Assigner Org ID-67fedba0-ff2e-4543-ba5b-aa93e87718cc
View Known Exploited Vulnerability (KEV) details
Published At-28 Oct, 2025 | 20:12
Updated At-09 Dec, 2025 | 01:37
Rejected At-
▼CVE Numbering Authority (CNA)
Consul's event endpoint is vulnerable to denial of service

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.

Affected Products
Vendor
HashiCorp, Inc.HashiCorp
Product
Consul
Repo
https://github.com/hashicorp/consul
Platforms
  • 64 bit
  • 32 bit
  • x86
  • ARM
  • MacOS
  • Windows
  • Linux
Default Status
unaffected
Versions
Affected
  • From 0 before 1.22.0 (semver)
Vendor
HashiCorp, Inc.HashiCorp
Product
Consul Enterprise
Repo
https://github.com/hashicorp/consul
Platforms
  • 64 bit
  • 32 bit
  • x86
  • ARM
  • MacOS
  • Windows
  • Linux
Default Status
unaffected
Versions
Affected
  • From 0 before 1.22.0 (semver)
    • -> unaffectedfrom1.21.6
    • -> unaffectedfrom1.20.8
    • -> unaffectedfrom1.18.12
Problem Types
TypeCWE IDDescription
CWECWE-770CWE-770: Allocation of Resources Without Limits or Throttling
Type: CWE
CWE ID: CWE-770
Description: CWE-770: Allocation of Resources Without Limits or Throttling
Metrics
VersionBase scoreBase severityVector
3.16.5MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Version: 3.1
Base score: 6.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
CAPEC-469CAPEC-469: HTTP DoS
CAPEC ID: CAPEC-469
Description: CAPEC-469: HTTP DoS
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://discuss.hashicorp.com/t/hcsec-2025-28-consuls-event-endpoint-is-vulnerable-to-denial-of-service/76723
N/A
Hyperlink: https://discuss.hashicorp.com/t/hcsec-2025-28-consuls-event-endpoint-is-vulnerable-to-denial-of-service/76723
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found