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CVE-2021-0188

Return of pointer value outside of expected range in the BIOS firmware for some Intel(R)...

7.8 High

CVE-2021-0188 is a high vulnerability (CVSS 7.8) in Intel Xeon E3-1220 V5 Firmware, published May 12, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.28%, the 20th percentile. No source names a fixed version.

What does this mean?
Severity
7.8 HighCVSS 3.1, NVD
Exploit chance
0.28%EPSS, 20th percentile
Exploitation
None knownNot on CISA’s or ENISA’s lists
Fixed in
No fix listedNo source names one

Description

Return of pointer value outside of expected range in the BIOS firmware for some Intel(R) Processors may allow a privileged user to potentially enable aescalation of privilege via local access.

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

0.28%Down 0.6 points since May 13, 2022
90%50%10%1%

Affected products

Show 25 moreShow less

What each source reports

NVD Score used7.8

Return of pointer value outside of expected range in the BIOS firmware for some Intel(R) Processors may allow a privileged user to potentially enable aescalation of privilege via local access.

Record
CVE-2021-0188
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
7.2 HighAV:L/AC:L/Au:N/C:C/I:C/A:C
Weakness
CWE-119
Updated
2026-11-02
CVE List7.8

Return of pointer value outside of expected range in the BIOS firmware for some Intel(R) Processors may allow a privileged user to potentially enable aescalation of privilege via local access.

Record
CVE-2021-0188
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-119
Updated
2026-11-02
EUVDEUVD-2021-28077.8

Return of pointer value outside of expected range in the BIOS firmware for some Intel(R) Processors may allow a privileged user to potentially enable aescalation of privilege via local access.

Record
EUVD-2021-2807
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
GitHub AdvisoriesGHSA-vhvw-mwr5-fw357.8

Return of pointer value outside of expected range in the BIOS firmware for some Intel(R)...

Return of pointer value outside of expected range in the BIOS firmware for some Intel(R) Processors may allow a privileged user to potentially enable aescalation of privilege via local access.

Record
GHSA-vhvw-mwr5-fw35
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-119
Updated
2026-11-02

History

History
RecordedChangedSources
facts
first indexedCVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

References

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