CVE-2021-46744

🗓️ 11 May 2022 16:40:21Reported by AMDType

cve🔗 web.nvd.nist.gov📰️ 2 Media mentions👁 137 Views

An attacker with access to a malicious hypervisor may be able to infer data values used in a SEV guest on AMD CPUs by monitoring ciphertext values over time

Reporter	Title	Published	Views	Family All 91
attackerkb	CVE-2021-46744	10 May 202220:30	–	attackerkb
Amd	Ciphertext Side Channels on AMD SEV	10 May 202200:00	–	amd
BDU FSTEC	SEV-SNP Disclosure	12 May 202200:00	–	bdu_fstec
Circl	CVE-2021-46744	11 May 202220:34	–	circl
CNNVD	AMD CPU encryption vulnerabilities	11 May 202200:00	–	cnnvd
Cvelist	CVE-2021-46744	11 May 202216:40	–	cvelist
EUVD	EUVD-2021-33400	3 Oct 202520:07	–	euvd
Tenable Nessus	FreeBSD : wolfssl -- multiple issues (9b9a5f6e-1755-11ed-adef-589cfc01894a)	9 Aug 202200:00	–	nessus
Tenable Nessus	SUSE SLES15 Security Update : kernel-firmware (SUSE-SU-2022:1751-1)	20 May 202200:00	–	nessus
Tenable Nessus	SUSE SLED15 / SLES15 Security Update : kernel-firmware (SUSE-SU-2022:1840-1)	26 May 202200:00	–	nessus

NVD

Vulners

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[
  {
    "product": "AMD Processors",
    "vendor": "AMD",
    "versions": [
      {
        "status": "affected",
        "version": "Processor  EPYC"
      }
    ]
  }
]

Source	Link
amd	www.amd.com/en/corporate/product-security/bulletin/amd-sb-1033
openwall	www.openwall.com/lists/oss-security/2022/08/08/6

17 Jun 2026 04:15Current

6.3Medium risk

Vulners AI Score6.3

CVSS 22.1

CVSS 3.16.5

EPSS0.00333

CWE-203