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nvd[email protected]NVD:CVE-2021-20487
HistoryMay 26, 2021 - 5:15 p.m.

CVE-2021-20487

2021-05-2617:15:14
CWE-347
[email protected]
web.nvd.nist.gov
2

6.5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:P/I:P/A:P

9.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

0.001 Low

EPSS

Percentile

39.9%

JSON

IBM Power9 Self Boot Engine(SBE) could allow a privileged user to inject malicious code and compromise the integrity of the host firmware bypassing the host firmware signature verification process.

Affected configurations

NVD
Node
ibmpower9_system_firmwareRangefw930.00–fw930.30
OR
ibmpower9_system_firmwareRangefw940.00–fw940.20
AND
ibm9008-22lMatch-
OR
ibm9009-22aMatch-
OR
ibm9009-41aMatch-
OR
ibm9009-42aMatch-
OR
ibm9040-mr9Match-
OR
ibm9080-m9sMatch-
OR
ibm9223-22hMatch-
OR
ibm9223-42hMatch-
Node
ibmpower9_system_firmwareRange<fw950.00
AND
ibm9009-22gMatch-
OR
ibm9009-41gMatch-
OR
ibm9009-42gMatch-
OR
ibm9223-22sMatch-
OR
ibm9223-42sMatch-
Node
ibmscale-out_lc_system_firmwareRange<op940.20
AND
ibm8335-gthMatch-
OR
ibm8335-gtxMatch-
OR
ibm9183-22xMatch-

Related

cve 1
prion 1
ibm 1
cvelist 1
cve
cve
CVE-2021-20487
2021-05-26 17:15:14
prion
prion
Code injection
2021-05-26 17:15:00
ibm
ibm
Security Bulletin: This Power System update is being released to address CVE-2021-20487
2021-05-25 06:40:34
cvelist
cvelist
CVE-2021-20487
2021-05-25 00:00:00

6.5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:P/I:P/A:P

9.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

0.001 Low

EPSS

Percentile

39.9%

JSON
Related for NVD:CVE-2021-20487
cve1prion1ibm1cvelist1