CVE-2024-8185Network attack vector

Host crash via unbounded Raft join challenges

Published Oct 31, 2024 · Updated Oct 31, 2024

Denial of service in HashiCorp Vault and Vault Enterprise allows remote attackers to crash hosts via Raft cluster join requests. The bootstrap challenge handler performs a cryptographic operation for every request and retains pending peer challenges in an unbounded map, so unique server IDs exhaust memory. Exposure requires Integrated Storage and network access to the Raft join API; exhaustion can crash both the Vault process and its host.

CVSS severity7.5
High
EPSS probability0.48%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Denial of service in HashiCorp Vault and Vault Enterprise allows remote attackers to crash hosts via Raft cluster join requests. The bootstrap challenge handler performs a cryptographic operation for every request and retains pending peer challenges in an unbounded map, so unique server IDs exhaust memory. Exposure requires Integrated Storage and network access to the Raft join API; exhaustion can crash both the Vault process and its host.

The record

CVE
CVE-2024-8185
Published
Oct 31, 2024
Updated
Oct 31, 2024
Vendor
HashiCorp
Product
Vault
Classifications
CWE-636, CAPEC-469, T1499.003
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 31, 2024CVE publishedPublication date reported by the CVE source.
  2. Oct 31, 2024Record 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=1.2.0 <1.18.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

HashiCorp · Vaultversion=1.2.0 <1.18.1
HashiCorp · Vault Enterpriseversion=1.2.0 <1.18.1 changes=[{"at":"1.17.8","status":"unaffected"},{"at":"1.16.12","status":"unaffected"}]

Published CVSS scores

8.7GitHubCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
7.5HashiCorpCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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.

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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-636Not Failing Securely ('Failing Open')
CAPEC-469HTTP DoS
T1499.003Application Exhaustion Flood

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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