Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2021-26322

Severity CVSS v4.0:
Pending analysis
Type:
CWE-330 Use of Insufficiently Random Value
Publication date:
16/11/2021
Last modified:
25/10/2022

Description

Persistent platform private key may not be protected with a random IV leading to a potential “two time pad attack”.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): None
Availability (A): None

Base Score 3.x
7.50
Severity 3.x
HIGH
Vector 2.0
AV:N/AC:L/Au:N/C:P/I:N/A:N CVSS v2.0 Severity and Metrics:

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): None
Availability (A): None

Base Score 2.0
5.00
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:amd:epyc_7601_firmware:*:*:*:*:*:*:*:* naplespi-sp3_1.0.0.g (excluding)
cpe:2.3:h:amd:epyc_7601:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7551p_firmware:*:*:*:*:*:*:*:* naplespi-sp3_1.0.0.g (excluding)
cpe:2.3:h:amd:epyc_7551p:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7551_firmware:*:*:*:*:*:*:*:* naplespi-sp3_1.0.0.g (excluding)
cpe:2.3:h:amd:epyc_7551:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7501_firmware:*:*:*:*:*:*:*:* naplespi-sp3_1.0.0.g (excluding)
cpe:2.3:h:amd:epyc_7501:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7451_firmware:*:*:*:*:*:*:*:* naplespi-sp3_1.0.0.g (excluding)
cpe:2.3:h:amd:epyc_7451:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7401_firmware:*:*:*:*:*:*:*:* naplespi-sp3_1.0.0.g (excluding)
cpe:2.3:h:amd:epyc_7401:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7371_firmware:*:*:*:*:*:*:*:* naplespi-sp3_1.0.0.g (excluding)
cpe:2.3:h:amd:epyc_7371:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7351p_firmware:*:*:*:*:*:*:*:* naplespi-sp3_1.0.0.g (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools