SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-28211

A heap overflow in LzmaUefiDecompressGetInfo function in EDK II.

MEDIUM 6.7EPSS 0.39%

Does this matter?

Lower severity and a low EPSS score (0.39%). Track it; it rarely justifies an emergency change on its own.

Description

A heap overflow in LzmaUefiDecompressGetInfo function in EDK II.

CVSS 3.1
6.7 MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS
0.39% probability · 32th percentile
CISA KEV
Not listed
Weakness
CWE-122, CWE-787
Affected
tianocore/edk2
Source
infosec@edk2.groups.io

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.