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Fencer Vulns
high 7.5

CVE-2021-28213 json

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

published 2021-06-11 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-14903

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.1%
EPSS 1.1% chance of exploitation in 30 days, percentile 66%
public exploits
0
none known

Summary

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

Patch / fix

  • edk2 Debian 14, Debian 13, Debian 12 0~20190606.20d2e5a1-2

debian advisories DEBIAN-CVE-2021-28213

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2021-28213 updated cvss 7.5

edk2: encrypted private key in the IpSecDxe.efi present potential security risks

  • Red Hat Enterprise Linux 8 edk2, edk2-ovmf, edk2-aarch64 Red Hat Enterprise Linux 9 edk2, edk2-ovmf, edk2-tools, edk2-aarch64
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.11% chance of exploitation in the next 30 days, higher than 66% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected products

  • TianoCore EDK II

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.