CVE-2024-10006Network attack vector

Access-rule bypass via unnormalized HTTP headers

Published Oct 30, 2024 · Updated Jan 10, 2025

HTTP access-control bypass in affected HashiCorp Consul and Consul Enterprise releases allows remote attackers to evade L7 header rules. Consul fails to normalize repeated header fields and header-name case before matching requests against configured HTTP header permissions. Exploitation requires application-aware L7 intentions with header match rules and permits traffic those rules were configured to deny.

CVSS severity8.3
High
EPSS probability0.47%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

HTTP access-control bypass in affected HashiCorp Consul and Consul Enterprise releases allows remote attackers to evade L7 header rules. Consul fails to normalize repeated header fields and header-name case before matching requests against configured HTTP header permissions. Exploitation requires application-aware L7 intentions with header match rules and permits traffic those rules were configured to deny.

The record

CVE
CVE-2024-10006
Published
Oct 30, 2024
Updated
Jan 10, 2025
Vendor
HashiCorp
Product
Consul Enterprise
Classifications
CWE-644, T1210
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 30, 2024CVE publishedPublication date reported by the CVE source.
  2. Jan 10, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=1.9.0 <1.20.1 changes=[{"at":"1.19.3","status":"unaffected"},{"at":"1.18.5","status":"unaffected"},{"at":"1.15.15","status":"unaffected"}]

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

HashiCorp · Consul Enterpriseversion=1.9.0 <1.20.1 changes=[{"at":"1.19.3","status":"unaffected"},{"at":"1.18.5","status":"unaffected"},{"at":"1.15.15","status":"unaffected"}]
HashiCorp · Consulversion=1.9.0 <1.20.1

Published CVSS scores

8.3HashiCorp Inc.CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
5.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-644Improper Neutralization of HTTP Headers for Scripting Syntax
T1210Exploitation of Remote Services

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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