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Vulnerability record · CVE-2023-1017 · published 28 February 2023

CVE-2023-1017: Trustedcomputinggroup trusted platform module out-of-bounds write vulnerability

Trustedcomputinggroup · Trusted Platform Module

An out-of-bounds write vulnerability exists in TPM2.0's Module Library allowing writing of a 2-byte data past the end of TPM2.0 command in the CryptParameterDecryption routine. An attacker who can successfully exploit this vulnerability can lead to denial of service (crashing the TPM chip/process or rendering it unusable) and/or arbitrary code execution in the TPM context.

7.8 CVSS 3.1 High EPSS 1.3% · top 31.0% CWE-787 · Out-of-bounds write
7.8CVSS 3.1 base score
1.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
12Affected product versions listed by NVD
7References
17 Jun 2026Last modified by NVD

Description

An out-of-bounds write vulnerability exists in TPM2.0's Module Library allowing writing of a 2-byte data past the end of TPM2.0 command in the CryptParameterDecryption routine. An attacker who can successfully exploit this vulnerability can lead to denial of service (crashing the TPM chip/process or rendering it unusable) and/or arbitrary code execution in the TPM context.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

12 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://kb.cert.org/vuls/id/782720 Third Party AdvisoryUS Government Resource
https://trustedcomputinggroup.org/about/security/ Vendor Advisory
https://trustedcomputinggroup.org/wp-content/uploads/TCGVRT0007-Advisory-FINAL.pdf Vendor Advisory
https://kb.cert.org/vuls/id/782720 Third Party AdvisoryUS Government Resource
https://trustedcomputinggroup.org/about/security/ Vendor Advisory
https://trustedcomputinggroup.org/wp-content/uploads/TCGVRT0007-Advisory-FINAL.pdf Vendor Advisory
https://www.kb.cert.org/vuls/id/782720

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Source: NIST National Vulnerability Database (record CVE-2023-1017), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.