CVE-2021-41803

highpriority · track · 28OT risk · elevatedEPSS 0.011 · 65 %ileEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.07% (65th) EPSS

CVSS 7.1 · high

Is it mine?

14 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · osv

EPSS · scored 2026-10-27

HashiCorp Consul 1.8.1 up to 1.11.8, 1.12.4, and 1.13.1 do not properly validate the node or segment names prior to interpolation and usage in JWT claim assertions with the auto config RPC. Fixed in 1.11.9, 1.12.5, and 1.13.2."

cvss

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

7.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.5–7.1

v3.17.1highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 4.2

v3.17.1highAV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:Hsecondary · FSTEC (BDU) RU

v3.17.1highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:Hsecondary · ENISA EU

v3.17.1highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:Hsecondaryexploitability 2.8 · impact 4.2

v3.17.1highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:Hsecondary · OSV

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/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-862USprimaryCWE-862USCWE-862US

affected products (14)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
Hashicorp Consul≤ 1.12.4fstec_bduRU
Hashicorp Consul≤ 1.13.1fstec_bduRU
Hashicorp Consul1.8.1 → 1.11.9fstec_bduRU
ООО «Ред Софт» РЕД ОС≤ 7.3fstec_bduRU
hashicorp consul= 1.12.4nvdUScpe:2.3:a:hashicorp:consul:*:*:*:*:*:*:*:*
hashicorp consul= 1.13.1nvdUScpe:2.3:a:hashicorp:consul:*:*:*:*:*:*:*:*
hashicorp consul1.8.1 → 1.11.9nvdUScpe:2.3:a:hashicorp:consul:*:*:*:*:*:*:*:*
Bitnami consul1.12.4 → 1.12.5osvUSpkg:bitnami/consul
Bitnami consul1.13.1 → 1.13.2osvUSpkg:bitnami/consul
Bitnami consul1.8.1 → 1.11.9osvUSpkg:bitnami/consul
Go github.com/hashicorp/consul1.12.0 → 1.12.5osvUSpkg:golang/github.com/hashicorp/consul
Go github.com/hashicorp/consul1.13.0 → 1.13.2osvUSpkg:golang/github.com/hashicorp/consul
Go github.com/hashicorp/consul1.8.1 → 1.11.9osvUSpkg:golang/github.com/hashicorp/consul

advisories (3)

Vendor and ecosystem advisories describing this.

GHSA-hr3v-8cp3-68rfHashiCorp Consul does not properly validate node or segment names prior to usage in JWT claim assertions2022-09-25ghsa · osvUS
HashiCorp Consul 1.8.1 up to 1.11.8, 1.12.4, and 1.13.1 did not properly validate the node or segment names prior to interpolation and usage in JWT claim assertions with the auto config RPC. Fixed in 1.11.9, 1.12.5, and 1.13.2.
BIT-consul-2021-418032024-03-06vendor · osvUS
HashiCorp Consul 1.8.1 up to 1.11.8, 1.12.4, and 1.13.1 do not properly validate the node or segment names prior to interpolation and usage in JWT claim assertions with the auto config RPC. Fixed in 1.11.9, 1.12.5, and 1.13.2."
GO-2024-2683Improper handling of node names in JWT claims assertions in github.com/hashicorp/consul2024-04-05vendor · osvUS
HashiCorp Consul does not properly validate the node or segment names prior to interpolation and usage in JWT claim assertions with the auto config RPC.

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 2022-09-23modified 2026-06-17

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+11474 more

references (16)

External citations — patches, advisories, analysis.

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