CVE-2023-20530 (GCVE-0-2023-20530)
Vulnerability from cvelistv5 – Published: 2023-01-10 20:57 – Updated: 2025-04-07 18:34
VLAI
EPSS
VEX
Summary
Insufficient input validation of BIOS mailbox messages in SMU may result in out-of-bounds memory reads potentially resulting in a denial of service.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-07 15:57 UTC
CWE
- n/a
- CWE-20 - Improper Input Validation
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.amd.com/en/corporate/product-security… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| AMD | 3rd Gen EPYC |
Affected:
various
|
guessed |
Date Public
2023-01-10 17:30
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-02T09:05:36.921Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"vendor-advisory",
"x_transferred"
],
"url": "https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2023-20530",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-04-07T15:57:23.417698Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-20",
"description": "CWE-20 Improper Input Validation",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-04-07T18:34:30.136Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"packageName": "AGESA",
"platforms": [
"x86"
],
"product": "3rd Gen EPYC",
"vendor": "AMD",
"versions": [
{
"status": "affected",
"version": "various "
}
]
}
],
"datePublic": "2023-01-10T17:30:00.000Z",
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "Insufficient input validation of BIOS mailbox messages in SMU may result in out-of-bounds memory reads potentially resulting in a denial of service.\u003cbr\u003e"
}
],
"value": "Insufficient input validation of BIOS mailbox messages in SMU may result in out-of-bounds memory reads potentially resulting in a denial of service.\n"
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "n/a",
"lang": "en",
"type": "text"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2023-01-11T07:01:59.843Z",
"orgId": "b58fc414-a1e4-4f92-9d70-1add41838648",
"shortName": "AMD"
},
"references": [
{
"tags": [
"vendor-advisory"
],
"url": "https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032"
}
],
"source": {
"advisory": "AMD-SB-1032",
"discovery": "UNKNOWN"
},
"x_generator": {
"engine": "Vulnogram 0.1.0-dev"
}
}
},
"cveMetadata": {
"assignerOrgId": "b58fc414-a1e4-4f92-9d70-1add41838648",
"assignerShortName": "AMD",
"cveId": "CVE-2023-20530",
"datePublished": "2023-01-10T20:57:06.132Z",
"dateReserved": "2022-10-27T18:53:39.739Z",
"dateUpdated": "2025-04-07T18:34:30.136Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2023-20530",
"date": "2026-09-22",
"epss": "0.00616",
"percentile": "0.48155"
},
"nvd": {
"cve": {
"affected": [
{
"affectedData": [
{
"defaultStatus": "unaffected",
"packageName": "AGESA",
"platforms": [
"x86"
],
"product": "3rd Gen EPYC",
"vendor": "AMD",
"versions": [
{
"status": "affected",
"version": "various "
}
]
}
],
"source": "psirt@amd.com"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:amd:epyc_7003_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "15A7FC33-9F8F-4862-8CF9-FC39D3493EAA",
"versionEndExcluding": "milanpi_1.0.0.5",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:amd:epyc_7003:-:*:*:*:*:*:*:*",
"matchCriteriaId": "C912AA31-FB2D-4BD9-B1BD-3C8D7EEE771C",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:amd:epyc_72f3_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "934DEED4-7118-435E-AF96-C34EC71D3AE5",
"versionEndExcluding": "milanpi_1.0.0.5",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:amd:epyc_72f3:-:*:*:*:*:*:*:*",
"matchCriteriaId": "7F98FF1A-3A2B-4CED-AEA2-9C4F2AC2D8C1",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:amd:epyc_7313_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "9710AF52-5E45-44CE-88EB-821F538A1692",
"versionEndExcluding": "milanpi_1.0.0.5",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:amd:epyc_7313:-:*:*:*:*:*:*:*",
"matchCriteriaId": "B02B61B7-7DD3-4164-8D32-EB961E981BC9",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:amd:epyc_7313p_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "55BF1B99-92BB-4BD7-84DC-BCBF4BFAF234",
"versionEndExcluding": "milanpi_1.0.0.5",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:amd:epyc_7313p:-:*:*:*:*:*:*:*",
"matchCriteriaId": "9000686A-DC2B-4561-9C32-E90890EB2EBA",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:amd:epyc_7343_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "2807BF4F-10B8-470A-8646-A8224E04DCCD",
"versionEndExcluding": "milanpi_1.0.0.5",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:amd:epyc_7343:-:*:*:*:*:*:*:*",
"matchCriteriaId": "71B9C24B-2C10-4826-A91B-E1C60665FBBE",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:amd:epyc_7373x_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "48DB2F6F-AF8C-4B1D-A0C1-D6DBCD34D528",
"versionEndExcluding": "milanpi_1.0.0.5",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:amd:epyc_7373x:-:*:*:*:*:*:*:*",
"matchCriteriaId": "180B3002-B3C5-48B5-8322-5B64B237C5B9",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:amd:epyc_73f3_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "F793F124-BC16-48C7-9FB6-4932EE153E31",
"versionEndExcluding": "milanpi_1.0.0.5",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:amd:epyc_73f3:-:*:*:*:*:*:*:*",
"matchCriteriaId": "678C5F58-8AE9-46FF-8F01-4CF394C87A2C",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:amd:epyc_7413_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "D54F40EC-C433-4FB6-A07A-8C81FD3E04A7",
"versionEndExcluding": "milanpi_1.0.0.5",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:amd:epyc_7413:-:*:*:*:*:*:*:*",
"matchCriteriaId": "D1766FF1-77A9-4293-B826-F6A8FBD7AFBF",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:amd:epyc_7443_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "9BEC5185-2AA7-4EF2-925E-B3A1E9229CE7",
"versionEndExcluding": "milanpi_1.0.0.5",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:amd:epyc_7443:-:*:*:*:*:*:*:*",
"matchCriteriaId": "4C474537-3006-41BA-8C3D-5C370E3ACECD",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:amd:epyc_7443p_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "C4DAD7E6-9D81-4DA7-831A-29ACFC3663F9",
"versionEndExcluding": "milanpi_1.0.0.5",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:amd:epyc_7443p:-:*:*:*:*:*:*:*",
"matchCriteriaId": "8E2B13CA-72F4-4CF6-9E12-62E6E9056A14",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:amd:epyc_7453_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "44F9FCF1-CA75-4688-BD62-487029054E35",
"versionEndExcluding": "milanpi_1.0.0.5",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:amd:epyc_7453:-:*:*:*:*:*:*:*",
"matchCriteriaId": "241E39FF-FE66-444C-A4C2-3D28C45341BE",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:amd:epyc_74f3_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "C092D5C7-369F-4EED-90FA-10091BB49861",
"versionEndExcluding": "milanpi_1.0.0.5",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:amd:epyc_74f3:-:*:*:*:*:*:*:*",
"matchCriteriaId": "02D08121-DC57-47D7-8214-23A209F0AF08",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:amd:epyc_7513_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "EEE0F93E-E95E-4EBC-9B40-2DF1ABBCBFB4",
"versionEndExcluding": "milanpi_1.0.0.5",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:amd:epyc_7513:-:*:*:*:*:*:*:*",
"matchCriteriaId": "F8264DF4-47B4-4716-AE89-44AFA870D385",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:amd:epyc_7543_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "3375DF8B-D0D7-4888-8D24-0A1834E4FD2C",
"versionEndExcluding": "milanpi_1.0.0.5",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:amd:epyc_7543:-:*:*:*:*:*:*:*",
"matchCriteriaId": "52544912-FAA3-4025-A5FD-151B21CEC53B",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:amd:epyc_7543p_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "157CD272-1F01-4514-81A2-8B4E7E177C5C",
"versionEndExcluding": "milanpi_1.0.0.5",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:amd:epyc_7543p:-:*:*:*:*:*:*:*",
"matchCriteriaId": "77A0A47B-74A1-4731-92A8-BC10FFE58ECF",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:amd:epyc_7573x_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "45168C28-F506-4D42-92D1-FF1AE03044D9",
"versionEndExcluding": "milanpi_1.0.0.5",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:amd:epyc_7573x:-:*:*:*:*:*:*:*",
"matchCriteriaId": "237FB33B-BF08-4E3E-8E83-EB0AD2F12A4B",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:amd:epyc_75f3_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "258BFA6D-AFF2-4199-A59A-85643DB6A561",
"versionEndExcluding": "milanpi_1.0.0.5",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:amd:epyc_75f3:-:*:*:*:*:*:*:*",
"matchCriteriaId": "EBF0AFED-588A-4EFB-8C90-9280BC3A6720",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:amd:epyc_7643_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "38DAF4CB-74A0-4404-83F2-00D78E7B5EAB",
"versionEndExcluding": "milanpi_1.0.0.5",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:amd:epyc_7643:-:*:*:*:*:*:*:*",
"matchCriteriaId": "98E1D79D-0CB0-4FD9-8A82-27CDFBFE07B2",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:amd:epyc_7663_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "00C17F69-0E8C-4272-8412-CE33F594E740",
"versionEndExcluding": "milanpi_1.0.0.5",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:amd:epyc_7663:-:*:*:*:*:*:*:*",
"matchCriteriaId": "A7DFCB62-6CDF-4AD2-9265-1887E5780CA5",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:amd:epyc_7713_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "82C4F4E6-2BB3-4CD0-89B3-E234E1DE2222",
"versionEndExcluding": "milanpi_1.0.0.5",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:amd:epyc_7713:-:*:*:*:*:*:*:*",
"matchCriteriaId": "4D698D3E-BB05-4C65-90F4-8DAE275CD6A4",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:amd:epyc_7713p_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "3A775676-D398-43F5-AD5D-C4FD8ECD2AC4",
"versionEndExcluding": "milanpi_1.0.0.5",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:amd:epyc_7713p:-:*:*:*:*:*:*:*",
"matchCriteriaId": "2299ED50-B4D2-4BB3-AD87-56D552B84AE1",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:amd:epyc_7743_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "81334861-6BFD-4DF2-9EDD-45F14044FB6A",
"versionEndExcluding": "milanpi_1.0.0.5",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:amd:epyc_7743:-:*:*:*:*:*:*:*",
"matchCriteriaId": "8C206A50-1225-4CC8-BC38-A7FEF4E2BA54",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:amd:epyc_7763_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "0FB69E43-DCB4-432C-9ED3-D7364F75AA58",
"versionEndExcluding": "milanpi_1.0.0.5",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:amd:epyc_7763:-:*:*:*:*:*:*:*",
"matchCriteriaId": "4F900BDD-F094-41A6-9A23-31F53DBA95D4",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:amd:epyc_7773x_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "4D11A474-6C0F-4B95-85F6-138C98D1F32B",
"versionEndExcluding": "milanpi_1.0.0.5",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:amd:epyc_7773x:-:*:*:*:*:*:*:*",
"matchCriteriaId": "D02B1C69-BAA4-485B-BE22-46BE321F9E4E",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Insufficient input validation of BIOS mailbox messages in SMU may result in out-of-bounds memory reads potentially resulting in a denial of service.\n"
},
{
"lang": "es",
"value": "Una validaci\u00f3n de entrada insuficiente de los mensajes del buz\u00f3n del BIOS en SMU puede provocar lecturas de memoria fuera de los l\u00edmites, lo que podr\u00eda provocar una denegaci\u00f3n de servicio."
}
],
"id": "CVE-2023-20530",
"lastModified": "2026-06-17T05:30:16.933",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
},
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6,
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2023-20530",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-04-07T15:57:23.417698Z",
"version": "2.0.3"
}
}
]
},
"published": "2023-01-11T08:15:13.950",
"references": [
{
"source": "psirt@amd.com",
"tags": [
"Vendor Advisory"
],
"url": "https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032"
}
],
"sourceIdentifier": "psirt@amd.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-20"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-20"
}
],
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary"
}
]
}
},
"redhat_vex": {
"current_release_date": "2025-05-28T23:28:49+00:00",
"cve": "CVE-2023-20530",
"id": "CVE-2023-20530",
"initial_release_date": "2023-01-10T17:30:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "CVE-2023-20530",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-20530.json",
"version": "3"
},
"vulnrichment": {
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-02T09:05:36.921Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"vendor-advisory",
"x_transferred"
],
"url": "https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2023-20530",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-04-07T15:57:23.417698Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-20",
"description": "CWE-20 Improper Input Validation",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-04-07T15:57:51.422Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"packageName": "AGESA",
"platforms": [
"x86"
],
"product": "3rd Gen EPYC",
"vendor": "AMD",
"versions": [
{
"status": "affected",
"version": "various "
}
]
}
],
"datePublic": "2023-01-10T17:30:00.000Z",
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "Insufficient input validation of BIOS mailbox messages in SMU may result in out-of-bounds memory reads potentially resulting in a denial of service.\u003cbr\u003e"
}
],
"value": "Insufficient input validation of BIOS mailbox messages in SMU may result in out-of-bounds memory reads potentially resulting in a denial of service.\n"
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "n/a",
"lang": "en",
"type": "text"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2023-01-11T07:01:59.843Z",
"orgId": "b58fc414-a1e4-4f92-9d70-1add41838648",
"shortName": "AMD"
},
"references": [
{
"tags": [
"vendor-advisory"
],
"url": "https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032"
}
],
"source": {
"advisory": "AMD-SB-1032",
"discovery": "UNKNOWN"
},
"x_generator": {
"engine": "Vulnogram 0.1.0-dev"
}
}
},
"cveMetadata": {
"assignerOrgId": "b58fc414-a1e4-4f92-9d70-1add41838648",
"assignerShortName": "AMD",
"cveId": "CVE-2023-20530",
"datePublished": "2023-01-10T20:57:06.132Z",
"dateReserved": "2022-10-27T18:53:39.739Z",
"dateUpdated": "2025-04-07T18:34:30.136Z",
"state": "PUBLISHED"
},
"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…