CVE-2021-28216
BootPerformanceTable pointer is read from an NVRAM variable in PEI. Recommend setting...
BootPerformanceTable pointer is read from an NVRAM variable in PEI. Recommend setting PcdFirmwarePerformanceDataTableS3Support to FALSE.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
7.8
BootPerformanceTable pointer is read from an NVRAM variable in PEI. Recommend setting PcdFirmwarePerformanceDataTableS3Support to FALSE.
- Record
CVE-2021-28216- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 4.6 Medium
AV:L/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-587, CWE-763
- Updated
- 2026-11-02
CVE List No score
BootPerformanceTable pointer is read from an NVRAM variable in PEI. Recommend setting PcdFirmwarePerformanceDataTableS3Support to FALSE.
- Record
CVE-2021-28216- Weakness
- CWE-587
- Updated
- 2026-11-02
EUVDEUVD-2021-14906 No score
BootPerformanceTable pointer is read from an NVRAM variable in PEI. Recommend setting PcdFirmwarePerformanceDataTableS3Support to FALSE.
- Record
EUVD-2021-14906- Updated
- 2026-11-02
GitHub AdvisoriesGHSA-6wgv-vj43-rpr5
7.8
BootPerformanceTable pointer is read from an NVRAM variable in PEI. Recommend setting...
BootPerformanceTable pointer is read from an NVRAM variable in PEI. Recommend setting PcdFirmwarePerformanceDataTableS3Support to FALSE.
- Record
GHSA-6wgv-vj43-rpr5- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-587, CWE-763
- Updated
- 2026-11-02
OSV
7.8
BootPerformanceTable pointer is read from an NVRAM variable in PEI. Recommend setting PcdFirmwarePerformanceDataTableS3Support to FALSE.
- Record
CVE-2021-28216- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2021-28216
7.8
BootPerformanceTable pointer is read from an NVRAM variable in PEI. Recommend setting PcdFirmwarePerformanceDataTableS3Support to FALSE.
- Record
DEBIAN-CVE-2021-28216- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVOESA-2021-1458
7.8
edk2 security update
EFI Development Kit II.
Security Fix(es):
BootPerformanceTable pointer is read from an NVRAM variable in PEI. Recommend setting PcdFirmwarePerformanceDataTableS3Support to FALSE.(CVE-2021-28216)
- Record
OESA-2021-1458- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2021-28216
7.8
BootPerformanceTable pointer is read from an NVRAM variable in PEI. Recommend setting PcdFirmwarePerformanceDataTableS3Support to FALSE.
- Record
UBUNTU-CVE-2021-28216- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
edk2Debian:12 |
before 2021.11~rc1-1 | 2021.11~rc1-1 |
edk2Debian:13 |
before 2021.11~rc1-1 | 2021.11~rc1-1 |
edk2Debian:14 |
before 2021.11~rc1-1 | 2021.11~rc1-1 |
edk2Debian:11 |
before 2020.11-2+deb11u3, plus listed versions 2020.11-22020.11-2+deb11u12020.11-2+deb11u2 |
2020.11-2+deb11u3 |
edk2openEuler:20.03-LTS-SP1 |
before 202002-7.oe1 | 202002-7.oe1 |
edk2openEuler:20.03-LTS-SP2 |
before 202002-7.oe1 | 202002-7.oe1 |
edk2Ubuntu:Pro:16.04:LTS |
All versions, plus listed versions 0~20150106.5c2d456b-20~20160104.c2a892d7-10~20160408.ffea0a2c-20~20160408.ffea0a2c-2ubuntu0.10~20160408.ffea0a2c-2ubuntu0.20~20160408.ffea0a2c-2ubuntu0.2+esm10~20160408.ffea0a2c-2ubuntu0.2+esm30~20160408.ffea0a2c-2ubuntu0.2+esm4 |
None known |
edk2Ubuntu:Pro:18.04:LTS |
All versions, plus listed versions 0~20170911.5dfba97c-10~20171010.234dbcef-10~20171027.76fd5a66-10~20171205.a9212288-10~20180105.0bc94c74-1 Show 8 moreShow less0~20180205.c0d9813c-10~20180205.c0d9813c-20~20180205.c0d9813c-2ubuntu0.10~20180205.c0d9813c-2ubuntu0.20~20180205.c0d9813c-2ubuntu0.30~20180205.c0d9813c-2ubuntu0.3+esm10~20180205.c0d9813c-2ubuntu0.3+esm20~20180205.c0d9813c-2ubuntu0.3+esm3 |
None known |
edk2Ubuntu:Pro:20.04:LTS |
All versions, plus listed versions 0~20190606.20d2e5a1-2ubuntu10~20190828.37eef910-30~20190828.37eef910-40~20191122.bd85bf54-10~20191122.bd85bf54-1ubuntu1 Show 11 moreShow less0~20191122.bd85bf54-20~20191122.bd85bf54-2ubuntu10~20191122.bd85bf54-2ubuntu20~20191122.bd85bf54-2ubuntu30~20191122.bd85bf54-2ubuntu3.10~20191122.bd85bf54-2ubuntu3.20~20191122.bd85bf54-2ubuntu3.30~20191122.bd85bf54-2ubuntu3.40~20191122.bd85bf54-2ubuntu3.50~20191122.bd85bf54-2ubuntu3.60~20191122.bd85bf54-2ubuntu3.6+esm1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-28216 is a high vulnerability (CVSS 7.8) in Tianocore Edk Ii, published August 5, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.42%, the 36th percentile. Fixed in edk2 2021.11~rc1-1.
References
bugzilla.tianocore.org/show_bug.cgi?id=2957
lists.debian.org/debian-lts-announce/2025/06/msg00007.html
nvd.nist.gov/vuln/detail/CVE-2021-28216
github.com/advisories/GHSA-6wgv-vj43-rpr5
security-tracker.debian.org/tracker/CVE-2021-28216
openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2021-1458
ubuntu.com/security/CVE-2021-28216
cve.org/CVERecord?id=CVE-2021-28216