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Ubuntu.comUB:CVE-2021-28213

HistoryJun 11, 2021 - 12:00 a.m.

CVE-2021-28213

2021-06-1100:00:00

ubuntu.com

edk2

encrypted private key

ipsecdxe.efi

security risk

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

EPSS

0.002

Percentile

53.8%

JSON

Example EDK2 encrypted private key in the IpSecDxe.efi present potential
security risks.

Bugs

<https://bugzilla.tianocore.org/show_bug.cgi?id=1866>

Notes

Author	Note
mdeslaur	as of 2023-04-03, no upstream fix for this issue ipsec driver was completely removed in d55d9d066436

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchedk2< anyUNKNOWN
ubuntu16.04noarchedk2< anyUNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	edk2	< any	UNKNOWN
ubuntu	16.04	noarch	edk2	< any	UNKNOWN

References

launchpad.net/bugs/cve/CVE-2021-28213

nvd.nist.gov/vuln/detail/CVE-2021-28213

security-tracker.debian.org/tracker/CVE-2021-28213

www.cve.org/CVERecord?id=CVE-2021-28213

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

EPSS

0.002

Percentile

53.8%

JSON

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