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CVE-2023-20594

Improper initialization of variables in the DXE driver may allow a privileged user to leak...

4.4 Medium

CVE-2023-20594 is a medium vulnerability (CVSS 4.4) in Amd 3rd Gen Amd Epyc™ Processors, published September 20, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.19%, the 8th percentile. No source names a fixed version.

What does this mean?
Severity
4.4 MediumCVSS 3.1, NVD
Exploit chance
0.19%EPSS, 8th percentile
Exploitation
None knownNot on CISA’s or ENISA’s lists
Fixed in
No fix listedNo source names one

Description

Improper initialization of variables in the DXE driver may allow a privileged user to leak sensitive information via local access.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
High
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
None
Availability
None

Exploit likelihood

0.19%Up 0.1 points since Sep 22, 2023
90%50%10%1%

Affected products

Show 130 moreShow less

What each source reports

NVD Score used4.4

Improper initialization of variables in the DXE driver may allow a privileged user to leak sensitive information via local access.

Record
CVE-2023-20594
CVSS 3.1
4.4 MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Weakness
CWE-824, CWE-665
Updated
2026-11-02
CVE ListNo score

Improper initialization of variables in the DXE driver may allow a privileged user to leak sensitive information via local access.

Record
CVE-2023-20594
Weakness
CWE-824
Updated
2026-11-02
EUVDEUVD-2023-247730.0

Improper initialization of variables in the DXE driver may allow a privileged user to leak sensitive information via local access.

Record
EUVD-2023-24773
CVSS
0.0 NoneCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Updated
2026-11-02
GitHub AdvisoriesGHSA-f4mr-h274-9w8h4.4

Improper initialization of variables in the DXE driver may allow a privileged user to leak...

Improper initialization of variables in the DXE driver may allow a privileged user to leak sensitive information via local access.

Record
GHSA-f4mr-h274-9w8h
CVSS 3.1
4.4 MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Weakness
CWE-665, CWE-824
Updated
2026-11-02

History

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

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

References

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