FKIE_CVE-2023-25000
Vulnerability from fkie_nvd - Published: 2023-03-30 01:15 - Updated: 2026-06-17 05:40
Severity
5.0 (Medium) - CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:N/A:N
4.7 (Medium) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
4.7 (Medium) - CVSS:3.1/
Summary
HashiCorp Vault's implementation of Shamir's secret sharing used precomputed table lookups, and was vulnerable to cache-timing attacks. An attacker with access to, and the ability to observe a large number of unseal operations on the host through a side channel may reduce the search space of a brute force effort to recover the Shamir shares. Fixed in Vault 1.13.1, 1.12.5, and 1.11.9.
References
{
"affected": [
{
"affectedData": [
{
"defaultStatus": "unaffected",
"platforms": [
"Windows",
"MacOS",
"Linux",
"x86",
"ARM",
"64 bit",
"32 bit"
],
"product": "Vault",
"repo": "https://github.com/hashicorp/vault",
"vendor": "HashiCorp",
"versions": [
{
"lessThan": "1.13.1",
"status": "affected",
"version": "1.13.0",
"versionType": "semver"
},
{
"lessThan": "1.12.5",
"status": "affected",
"version": "1.12.0",
"versionType": "semver"
},
{
"lessThan": "1.11.9",
"status": "affected",
"version": "1.11.0",
"versionType": "semver"
},
{
"lessThan": "1.11.0",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"platforms": [
"Windows",
"MacOS",
"Linux",
"x86",
"ARM",
"64 bit",
"32 bit"
],
"product": "Vault Enterprise",
"vendor": "HashiCorp",
"versions": [
{
"lessThan": "1.13.1",
"status": "affected",
"version": "1.13.0",
"versionType": "semver"
},
{
"lessThan": "1.12.5",
"status": "affected",
"version": "1.12.0",
"versionType": "semver"
},
{
"lessThan": "1.11.9",
"status": "affected",
"version": "1.11.0",
"versionType": "semver"
},
{
"lessThan": "1.11.0",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
}
],
"source": "security@hashicorp.com"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:hashicorp:vault:*:*:*:*:-:*:*:*",
"matchCriteriaId": "2C565DBD-95F4-4951-A029-93ABE5315740",
"versionEndExcluding": "1.11.9",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:*",
"matchCriteriaId": "80EB9F32-09A4-469C-AF76-1AE3137EAC1B",
"versionEndExcluding": "1.11.9",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:hashicorp:vault:*:*:*:*:-:*:*:*",
"matchCriteriaId": "446F872F-F64C-44CA-85BC-144FCFBCFA8B",
"versionEndExcluding": "1.12.5",
"versionStartIncluding": "1.12.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:*",
"matchCriteriaId": "71A02FE6-C8D4-455D-A71A-C8353E1ECB7C",
"versionEndExcluding": "1.12.5",
"versionStartIncluding": "1.12.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:hashicorp:vault:*:*:*:*:-:*:*:*",
"matchCriteriaId": "81280166-3DF7-4867-95E9-A7AFB9A12CE7",
"versionEndExcluding": "1.13.1",
"versionStartIncluding": "1.13.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:*",
"matchCriteriaId": "C56E203C-1E18-4395-B500-B6EA695B16C0",
"versionEndExcluding": "1.13.1",
"versionStartIncluding": "1.13.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "HashiCorp Vault\u0027s implementation of Shamir\u0027s secret sharing used precomputed table lookups, and was vulnerable to cache-timing attacks. An attacker with access to, and the ability to observe a large number of unseal operations on the host through a side channel may reduce the search space of a brute force effort to recover the Shamir shares. Fixed in Vault 1.13.1, 1.12.5, and 1.11.9."
}
],
"id": "CVE-2023-25000",
"lastModified": "2026-06-17T05:40:27.210",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "HIGH",
"attackVector": "LOCAL",
"availabilityImpact": "NONE",
"baseScore": 5.0,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "HIGH",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:N/A:N",
"version": "3.1"
},
"exploitabilityScore": 0.6,
"impactScore": 4.0,
"source": "security@hashicorp.com",
"type": "Secondary"
},
{
"cvssData": {
"attackComplexity": "HIGH",
"attackVector": "LOCAL",
"availabilityImpact": "NONE",
"baseScore": 4.7,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N",
"version": "3.1"
},
"exploitabilityScore": 1.0,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2023-25000",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-02-12T15:02:13.804694Z",
"version": "2.0.3"
}
}
]
},
"published": "2023-03-30T01:15:07.493",
"references": [
{
"source": "security@hashicorp.com",
"tags": [
"Issue Tracking",
"Patch",
"Vendor Advisory"
],
"url": "https://discuss.hashicorp.com/t/hcsec-2023-10-vault-vulnerable-to-cache-timing-attacks-during-seal-and-unseal-operations/52078"
},
{
"source": "security@hashicorp.com",
"url": "https://security.netapp.com/advisory/ntap-20230526-0008/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Issue Tracking",
"Patch",
"Vendor Advisory"
],
"url": "https://discuss.hashicorp.com/t/hcsec-2023-10-vault-vulnerable-to-cache-timing-attacks-during-seal-and-unseal-operations/52078"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://security.netapp.com/advisory/ntap-20230526-0008/"
}
],
"sourceIdentifier": "security@hashicorp.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-208"
}
],
"source": "security@hashicorp.com",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-203"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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