CVE-2023-34344 (GCVE-0-2023-34344)
Vulnerability from cvelistv5 – Published: 2023-06-12 16:54 – Updated: 2025-01-03 21:10
VLAI
EPSS
VEX
Title
A vulnerability in the IPMI handler, where an unauthorized attacker can use certain oracles to guess a valid username
Summary
AMI BMC contains a vulnerability in the IPMI
handler, where an unauthorized attacker can use certain oracles to guess a
valid username, which may lead to information disclosure.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-01-03 21:09 UTC
CWE
- CWE-203 - Observable Discrepancy
- CWe-208 Observable Timing Discrepancy
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| AMI | MegaRAC_SPx |
Affected:
12.0 , < 12.7
(RC)
Affected: 13.0 , < 13.5 (RC) |
guessed |
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-02T16:10:06.589Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_transferred"
],
"url": "https://9443417.fs1.hubspotusercontent-na1.net/hubfs/9443417/Security%20Advisories/AMI-SA-2023005.pdf"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2023-34344",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-01-03T21:09:38.061734Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2025-01-03T21:10:15.338Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unknown",
"platforms": [
"ARM"
],
"product": "MegaRAC_SPx",
"vendor": "AMI",
"versions": [
{
"lessThan": "12.7",
"status": "affected",
"version": "12.0",
"versionType": "RC"
},
{
"lessThan": "13.5",
"status": "affected",
"version": "13.0",
"versionType": "RC"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"user": "00000000-0000-4000-9000-000000000000",
"value": "NVIDIA Offensive Security Research (OSR) team"
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "AMI BMC contains a vulnerability in the IPMI\nhandler, where an unauthorized attacker can use certain oracles to guess a\nvalid username, which may lead to information disclosure.\n\n\n\n\n\n"
}
],
"value": "AMI BMC contains a vulnerability in the IPMI\nhandler, where an unauthorized attacker can use certain oracles to guess a\nvalid username, which may lead to information disclosure.\n\n\n\n\n\n"
}
],
"impacts": [
{
"capecId": "CAPEC-189",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-189 Black Box Reverse Engineering"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-203",
"description": "CWE-203 Observable Discrepancy",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"description": "CWe-208 Observable Timing Discrepancy",
"lang": "en"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2023-06-12T16:54:19.265Z",
"orgId": "7e9044f1-7f56-4c38-8864-c0c7302263d6",
"shortName": "AMI"
},
"references": [
{
"url": "https://9443417.fs1.hubspotusercontent-na1.net/hubfs/9443417/Security%20Advisories/AMI-SA-2023005.pdf"
}
],
"source": {
"discovery": "UNKNOWN"
},
"title": "A vulnerability in the IPMI handler, where an unauthorized attacker can use certain oracles to guess a valid username",
"x_generator": {
"engine": "Vulnogram 0.1.0-dev"
}
}
},
"cveMetadata": {
"assignerOrgId": "7e9044f1-7f56-4c38-8864-c0c7302263d6",
"assignerShortName": "AMI",
"cveId": "CVE-2023-34344",
"datePublished": "2023-06-12T16:54:19.265Z",
"dateReserved": "2023-06-01T20:50:32.675Z",
"dateUpdated": "2025-01-03T21:10:15.338Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2023-34344",
"date": "2026-09-16",
"epss": "0.0045",
"percentile": "0.38245"
},
"fkie_nvd": {
"configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:ami:megarac_sp-x:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"12.0\", \"versionEndExcluding\": \"12.7\", \"matchCriteriaId\": \"BBB7BA77-D5E4-4A28-A164-246D13264E74\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:ami:megarac_sp-x:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"13.0\", \"versionEndExcluding\": \"13.5\", \"matchCriteriaId\": \"7A29A821-0C82-47A1-8345-7B367F88EEF8\"}]}]}]",
"descriptions": "[{\"lang\": \"en\", \"value\": \"AMI BMC contains a vulnerability in the IPMI\\nhandler, where an unauthorized attacker can use certain oracles to guess a\\nvalid username, which may lead to information disclosure.\\n\\n\\n\\n\\n\\n\"}]",
"id": "CVE-2023-34344",
"lastModified": "2024-11-21T08:07:03.413",
"metrics": "{\"cvssMetricV31\": [{\"source\": \"biossecurity@ami.com\", \"type\": \"Secondary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N\", \"baseScore\": 5.3, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"LOW\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"NONE\"}, \"exploitabilityScore\": 3.9, \"impactScore\": 1.4}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N\", \"baseScore\": 5.3, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"LOW\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"NONE\"}, \"exploitabilityScore\": 3.9, \"impactScore\": 1.4}]}",
"published": "2023-06-12T17:15:10.137",
"references": "[{\"url\": \"https://9443417.fs1.hubspotusercontent-na1.net/hubfs/9443417/Security%20Advisories/AMI-SA-2023005.pdf\", \"source\": \"biossecurity@ami.com\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://9443417.fs1.hubspotusercontent-na1.net/hubfs/9443417/Security%20Advisories/AMI-SA-2023005.pdf\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}]",
"sourceIdentifier": "biossecurity@ami.com",
"vulnStatus": "Modified",
"weaknesses": "[{\"source\": \"biossecurity@ami.com\", \"type\": \"Secondary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-203\"}]}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-203\"}]}]"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2023-34344\",\"sourceIdentifier\":\"biossecurity@ami.com\",\"published\":\"2023-06-12T17:15:10.137\",\"lastModified\":\"2026-06-17T06:03:26.397\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"AMI BMC contains a vulnerability in the IPMI\\nhandler, where an unauthorized attacker can use certain oracles to guess a\\nvalid username, which may lead to information disclosure.\\n\\n\\n\\n\\n\\n\"}],\"affected\":[{\"source\":\"biossecurity@ami.com\",\"affectedData\":[{\"vendor\":\"AMI\",\"product\":\"MegaRAC_SPx\",\"defaultStatus\":\"unknown\",\"platforms\":[\"ARM\"],\"versions\":[{\"version\":\"12.0\",\"lessThan\":\"12.7\",\"versionType\":\"RC\",\"status\":\"affected\"},{\"version\":\"13.0\",\"lessThan\":\"13.5\",\"versionType\":\"RC\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"biossecurity@ami.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N\",\"baseScore\":5.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":3.9,\"impactScore\":1.4},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N\",\"baseScore\":5.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":3.9,\"impactScore\":1.4}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2025-01-03T21:09:38.061734Z\",\"id\":\"CVE-2023-34344\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"yes\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"biossecurity@ami.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-203\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-203\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ami:megarac_sp-x:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"12.0\",\"versionEndExcluding\":\"12.7\",\"matchCriteriaId\":\"BBB7BA77-D5E4-4A28-A164-246D13264E74\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ami:megarac_sp-x:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"13.0\",\"versionEndExcluding\":\"13.5\",\"matchCriteriaId\":\"7A29A821-0C82-47A1-8345-7B367F88EEF8\"}]}]}],\"references\":[{\"url\":\"https://9443417.fs1.hubspotusercontent-na1.net/hubfs/9443417/Security%20Advisories/AMI-SA-2023005.pdf\",\"source\":\"biossecurity@ami.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://9443417.fs1.hubspotusercontent-na1.net/hubfs/9443417/Security%20Advisories/AMI-SA-2023005.pdf\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}",
"redhat_vex": {
"current_release_date": "2025-05-28T23:07:42+00:00",
"cve": "CVE-2023-34344",
"id": "CVE-2023-34344",
"initial_release_date": "2023-01-01T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "A vulnerability in the IPMI handler, where an unauthorized attacker can use certain oracles to guess a valid username",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-34344.json",
"version": "3"
},
"vulnrichment": {
"containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://9443417.fs1.hubspotusercontent-na1.net/hubfs/9443417/Security%20Advisories/AMI-SA-2023005.pdf\", \"tags\": [\"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-02T16:10:06.589Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2023-34344\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-01-03T21:09:38.061734Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-01-03T21:10:06.334Z\"}}], \"cna\": {\"title\": \"A vulnerability in the IPMI handler, where an unauthorized attacker can use certain oracles to guess a valid username\", \"source\": {\"discovery\": \"UNKNOWN\"}, \"credits\": [{\"lang\": \"en\", \"type\": \"finder\", \"user\": \"00000000-0000-4000-9000-000000000000\", \"value\": \"NVIDIA Offensive Security Research (OSR) team\"}], \"impacts\": [{\"capecId\": \"CAPEC-189\", \"descriptions\": [{\"lang\": \"en\", \"value\": \"CAPEC-189 Black Box Reverse Engineering\"}]}], \"metrics\": [{\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 5.3, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"NONE\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"LOW\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"vendor\": \"AMI\", \"product\": \"MegaRAC_SPx\", \"versions\": [{\"status\": \"affected\", \"version\": \"12.0\", \"lessThan\": \"12.7\", \"versionType\": \"RC\"}, {\"status\": \"affected\", \"version\": \"13.0\", \"lessThan\": \"13.5\", \"versionType\": \"RC\"}], \"platforms\": [\"ARM\"], \"defaultStatus\": \"unknown\"}], \"references\": [{\"url\": \"https://9443417.fs1.hubspotusercontent-na1.net/hubfs/9443417/Security%20Advisories/AMI-SA-2023005.pdf\"}], \"x_generator\": {\"engine\": \"Vulnogram 0.1.0-dev\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"AMI BMC contains a vulnerability in the IPMI\\nhandler, where an unauthorized attacker can use certain oracles to guess a\\nvalid username, which may lead to information disclosure.\\n\\n\\n\\n\\n\\n\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"AMI BMC contains a vulnerability in the IPMI\\nhandler, where an unauthorized attacker can use certain oracles to guess a\\nvalid username, which may lead to information disclosure.\\n\\n\\n\\n\\n\\n\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-203\", \"description\": \"CWE-203 Observable Discrepancy\"}]}, {\"descriptions\": [{\"lang\": \"en\", \"description\": \"CWe-208 Observable Timing Discrepancy\"}]}], \"providerMetadata\": {\"orgId\": \"7e9044f1-7f56-4c38-8864-c0c7302263d6\", \"shortName\": \"AMI\", \"dateUpdated\": \"2023-06-12T16:54:19.265Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2023-34344\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-01-03T21:10:15.338Z\", \"dateReserved\": \"2023-06-01T20:50:32.675Z\", \"assignerOrgId\": \"7e9044f1-7f56-4c38-8864-c0c7302263d6\", \"datePublished\": \"2023-06-12T16:54:19.265Z\", \"assignerShortName\": \"AMI\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
Loading…
Loading…
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.
Loading…
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.
Loading…
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.
Loading…