How severe is CVE-2023-47855?

CVE-2023-47855 has a CVSS 3.x base score of 6.0, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2023-47855 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-47855?

CVE-2023-47855 primarily affects Intel Tdx Module. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-47855?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2023-47855 have an EU (EUVD) identifier?

Yes. CVE-2023-47855 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-51950.

When was CVE-2023-47855 published?

CVE-2023-47855 was published on 2024-05-16 and last updated on 2026-06-17.

CVE-2023-47855

CVE-2023-47855 is a medium-severity vulnerability in Intel Tdx Module with a CVSS 3.x base score of 6.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 3.x base score 6.0)
EPSS exploit prediction: 0% (29th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-51950
Weakness: CWE-20
Affected product: Intel Tdx Module
Published: 2024-05-16
Last modified: 2026-06-17

Description

Improper input validation in some Intel(R) TDX module software before version 1.5.05.46.698 may allow a privileged user to potentially enable escalation of privilege via local access.

Frequently asked questions

What is CVE-2023-47855?: Improper input validation in some Intel(R) TDX module software before version 1.5.05.46.698 may allow a privileged user to potentially enable escalation of privilege via local access.
How severe is CVE-2023-47855?: CVE-2023-47855 has a CVSS 3.x base score of 6.0, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2023-47855 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-47855?: CVE-2023-47855 primarily affects Intel Tdx Module. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-47855?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-47855 have an EU (EUVD) identifier?: Yes. CVE-2023-47855 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-51950.
When was CVE-2023-47855 published?: CVE-2023-47855 was published on 2024-05-16 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:intel:tdx_module:*:*:*:*:*:*:*:*
cpe:2.3:o:netapp:hci_compute_node_bios:-:*:*:*:*:*:*:*

More vulnerabilities in Intel Tdx Module

CVE-2023-45745 — High (CVSS 7.9): Improper input validation in some Intel(R) TDX module software before version 1.5.05.46.698 may allow a privileged user…
CVE-2024-21801 — High (CVSS 7.1): Insufficient control flow management in some Intel(R) TDX module software before version 1.5.05.46.698 may allow a…
CVE-2024-39283 — Medium (CVSS 6.0): Incomplete filtering of special elements in Intel(R) TDX module software before version TDX_1.5.01.00.592 may allow an…
CVE-2024-33607 — Medium (CVSS 5.6): Out-of-bounds read in some Intel(R) TDX module software before version TDX_1.5.07.00.774 may allow an authenticated…

All CVEs affecting Intel Tdx Module →

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