CVE-2023-3299Network attack vector

ACL token disclosure via Sentinel policy context

Published Jul 19, 2023 · Updated Oct 17, 2024

Secret exposure in HashiCorp Nomad Enterprise 1.2.11 through 1.4.10 and 1.5.0 through 1.5.6 allows remote authenticated users to read ACL secrets. The Sentinel evaluation context exposes nomad_acl_token.secret_id to policy code instead of redacting the credential as unnecessary input. A management token and a deliberately written Sentinel policy are required, and disclosure occurs only if that policy prints the secret in command or API output.

CVSS severity2.7
Low
EPSS probability0.60%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Secret exposure in HashiCorp Nomad Enterprise 1.2.11 through 1.4.10 and 1.5.0 through 1.5.6 allows remote authenticated users to read ACL secrets. The Sentinel evaluation context exposes nomad_acl_token.secret_id to policy code instead of redacting the credential as unnecessary input. A management token and a deliberately written Sentinel policy are required, and disclosure occurs only if that policy prints the secret in command or API output.

The record

CVE
CVE-2023-3299
Published
Jul 19, 2023
Updated
Oct 17, 2024
Vendor
HashiCorp
Product
Nomad Enterprise
Classifications
CWE-668, CWE-201, T1528
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Jul 19, 2023CVE publishedPublication date reported by the CVE source.
  2. Oct 17, 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=1.2.11 <=1.4.10
  2. Affected versionversion=1.2.11 <=1.5.6

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

HashiCorp · Nomad Enterpriseversion=1.2.11 <=1.4.10; version=1.2.11 <=1.5.6

Published CVSS scores

2.7NIST NVDCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/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
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-668Exposure of Resource to Wrong Sphere
CWE-201Insertion of Sensitive Information Into Sent Data
T1528Steal Application Access Token

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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