CVE-2025-11375

mediumpriority · track · 0EPSS 0.004 · 37 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.43% (37th) EPSS

CVSS 6.5 · medium

Is it mine?

15 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · osv

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

6.5

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.16.5mediumAV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hsecondary · FSTEC (BDU) RU

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hsecondary · ENISA EU

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hsecondary · security@hashicorp.comexploitability 2.8 · impact 3.6

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hsecondary · OSV

v3.16mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-770USCWE-770USCWE-770US

affected products (15)

Products and version ranges known to be affected.

Hashicorp Consul0 → 1.22.0enisa_euvdEU
Hashicorp Consul Enterprise0 → 1.22.0enisa_euvdEU
HashiCorp Consul Community Edition≤ 1.22.0fstec_bduRU
Hashicorp Consul Enterprise≤ 1.21.6fstec_bduRU
Hashicorp Consul Enterprise≤ 1.22.0fstec_bduRU
Hashicorp Consul Enterprise≤ 1.18.12fstec_bduRU
Hashicorp Consul Enterprise≤ 1.20.8fstec_bduRU
Novell Inc. openSUSE Tumbleweedall versionsfstec_bduRU
ООО «Ред Софт» РЕД ОС≤ 7.3fstec_bduRU
hashicorp consul< 1.18.12nvdUScpe:2.3:a:hashicorp:consul:*:*:*:*:*:*:*:*
hashicorp consul< 1.22.0nvdUScpe:2.3:a:hashicorp:consul:*:*:*:*:*:*:*:*
hashicorp consul1.19.0 → 1.20.8nvdUScpe:2.3:a:hashicorp:consul:*:*:*:*:*:*:*:*
hashicorp consul1.21.0 → 1.21.6nvdUScpe:2.3:a:hashicorp:consul:*:*:*:*:*:*:*:*
Bitnami consul< 1.22.0osvUSpkg:bitnami/consul
Go github.com/hashicorp/consul< 1.22.0osvUSpkg:golang/github.com/hashicorp/consul

advisories (3)

Vendor and ecosystem advisories describing this.

GHSA-qh7p-pfq3-677hConsul event endpoint is vulnerable to denial of service2025-10-28ghsa · osvUS
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.
BIT-consul-2025-11375Consul's event endpoint is vulnerable to denial of service2025-11-06vendor · osvUS
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.
GO-2025-4082Consul event endpoint is vulnerable to denial of service in github.com/hashicorp/consul2025-11-05vendor · osvUS
Consul event endpoint is vulnerable to denial of service in github.com/hashicorp/consul

also known as (7)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu osv nvd NVD CVE.org MITRE

published 2025-10-28modified 2026-10-18

references (4)

External citations — patches, advisories, analysis.

scry

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