CVE-2021-26403

🗓️ 10 Jan 2023 20:56:43Reported by AMDType

Insufficient checks in SEV may lead to a malicious hypervisor disclosing the launch secret potentially resulting in compromise of VM confidentiality

Reporter	Title	Published	Views	Family All 10
Amd	AMD Server Vulnerabilities – January 2023	10 Jan 202300:00	–	amd
CNNVD	AMD Secure Encrypted Virtualization (SEV) 安全漏洞	11 Jan 202300:00	–	cnnvd
Cvelist	CVE-2021-26403	10 Jan 202320:56	–	cvelist
EUVD	EUVD-2021-13209	7 Oct 202500:30	–	euvd
NCSC	Vulnerabilities fixed in Dell PowerEdge	13 Jan 202300:00	–	ncsc
NVD	CVE-2021-26403	11 Jan 202308:15	–	nvd
OSV	CVE-2021-26403	11 Jan 202308:15	–	osv
Prion	Input validation	11 Jan 202308:15	–	prion
Positive Technologies	PT-2023-1484 · Amd · Amd Secure Encrypted Virtualization	10 Jan 202300:00	–	ptsecurity
Vulnrichment	CVE-2021-26403	10 Jan 202320:56	–	vulnrichment

NVD

Node

amd epyc_7001_firmwareRange<naplespi_1.0.0.e

AND

amd epyc_7001Match-

Node

amd epyc_7251_firmwareRange<naplespi_1.0.0.e

AND

amd epyc_7251Match-

Node

amd epyc_7261_firmwareRange<naplespi_1.0.0.e

AND

amd epyc_7261Match-

Node

amd epyc_7281_firmwareRange<naplespi_1.0.0.e

AND

amd epyc_7281Match-

Node

amd epyc_7301_firmwareRange<naplespi_1.0.0.e

AND

amd epyc_7301Match-

Node

amd epyc_7351_firmwareRange<naplespi_1.0.0.e

AND

amd epyc_7351Match-

Node

amd epyc_7351p_firmwareRange<naplespi_1.0.0.e

AND

amd epyc_7351pMatch-

Node

amd epyc_7371_firmwareRange<naplespi_1.0.0.e

AND

amd epyc_7371Match-

Node

amd epyc_7401_firmwareRange<naplespi_1.0.0.e

AND

amd epyc_7401Match-

Node

amd epyc_7401p_firmwareRange<naplespi_1.0.0.e

AND

amd epyc_7401pMatch-

Node

amd epyc_7451_firmwareRange<naplespi_1.0.0.e

AND

amd epyc_7451Match-

Node

amd epyc_7501_firmwareRange<naplespi_1.0.0.e

AND

amd epyc_7501Match-

Node

amd epyc_7551_firmwareRange<naplespi_1.0.0.e

AND

amd epyc_7551Match-

Node

amd epyc_7551p_firmwareRange<naplespi_1.0.0.e

AND

amd epyc_7551pMatch-

Node

amd epyc_7601_firmwareRange<naplespi_1.0.0.e

AND

amd epyc_7601Match-

Node

amd epyc_7002_firmwareRange<romepi_1.0.0.9

AND

amd epyc_7002Match-

Node

amd epyc_7232p_firmwareRange<romepi_1.0.0.9

AND

amd epyc_7232pMatch-

Node

amd epyc_7252_firmwareRange<romepi_1.0.0.9

AND

amd epyc_7252Match-

Node

amd epyc_7262_firmwareRange<romepi_1.0.0.9

AND

amd epyc_7262Match-

Node

amd epyc_7272_firmwareRange<romepi_1.0.0.9

AND

amd epyc_7272Match-

Node

amd epyc_7282_firmwareRange<romepi_1.0.0.9

AND

amd epyc_7282Match-

Node

amd epyc_7302_firmwareRange<romepi_1.0.0.9

AND

amd epyc_7302Match-

Node

amd epyc_7302p_firmwareRange<romepi_1.0.0.9

AND

amd epyc_7302pMatch-

Node

amd epyc_7352_firmwareRange<romepi_1.0.0.9

AND

amd epyc_7352Match-

Node

amd epyc_7402_firmwareRange<romepi_1.0.0.9

AND

amd epyc_7402Match-

Node

amd epyc_7402p_firmwareRange<romepi_1.0.0.9

AND

amd epyc_7402pMatch-

Node

amd epyc_7452_firmwareRange<romepi_1.0.0.9

AND

amd epyc_7452Match-

Node

amd epyc_7502_firmwareRange<romepi_1.0.0.9

AND

amd epyc_7502Match-

Node

amd epyc_7502p_firmwareRange<romepi_1.0.0.9

AND

amd epyc_7502pMatch-

Node

amd epyc_7532_firmwareRange<romepi_1.0.0.9

AND

amd epyc_7532Match-

Node

amd epyc_7542_firmwareRange<romepi_1.0.0.9

AND

amd epyc_7542Match-

Node

amd epyc_7552_firmwareRange<romepi_1.0.0.9

AND

amd epyc_7552Match-

Node

amd epyc_7642_firmwareRange<romepi_1.0.0.9

AND

amd epyc_7642Match-

Node

amd epyc_7662_firmwareRange<romepi_1.0.0.9

AND

amd epyc_7662Match-

Node

amd epyc_7702_firmwareRange<romepi_1.0.0.9

AND

amd epyc_7702Match-

Node

amd epyc_7702p_firmwareRange<romepi_1.0.0.9

AND

amd epyc_7702pMatch-

Node

amd epyc_7742_firmwareRange<romepi_1.0.0.9

AND

amd epyc_7742Match-

Node

amd epyc_7f32_firmwareRange<romepi_1.0.0.9

AND

amd epyc_7f32Match-

Node

amd epyc_7f52_firmwareRange<romepi_1.0.0.9

AND

amd epyc_7f52Match-

Node

amd epyc_7f72_firmwareRange<romepi_1.0.0.9

AND

amd epyc_7f72Match-

Node

amd epyc_7h12_firmwareRange<romepi_1.0.0.9

AND

amd epyc_7h12Match-

[
  {
    "defaultStatus": "unaffected",
    "packageName": "AGESA",
    "platforms": [
      "x86"
    ],
    "product": "1st Gen EPYC",
    "vendor": "AMD",
    "versions": [
      {
        "status": "affected",
        "version": "various "
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "packageName": "AGESA",
    "platforms": [
      "x86"
    ],
    "product": "2nd Gen EPYC",
    "vendor": " AMD",
    "versions": [
      {
        "status": "affected",
        "version": "various "
      }
    ]
  }
]

Source	Link
amd	www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032

08 Apr 2025 21:15Current

6.9Medium risk

Vulners AI Score6.9

CVSS 3.16.5

EPSS0.0003

SSVC

CWE-345