CVE-2023-1018

Trusted Platform Module vulnerability

CVSS

5.5

EPSS

5.6%

EPSS pct

92th

Exploited

No known

An out-of-bounds read vulnerability exists in TPM2.0's Module Library allowing a 2-byte read past the end of a TPM2.0 command in the CryptParameterDecryption routine. An attacker who can successfully exploit this vulnerability can read or access sensitive data stored in the TPM.

Affected vendor

Trustedcomputinggroup

Affected product

Trusted Platform Module

CVSS vector

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

Weakness type (CWE)

CWE-125 — Out-of-bounds Read

Published

2023-02-28

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable with local access, low attack complexity, requiring low privileges, no user interaction. Successful exploitation leads to high impact to confidentiality.

Its EPSS score of 5.6% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 92% of all scored CVEs.

Check your external exposure to CVE-2023-1018

Confirm whether Trustedcomputinggroup Trusted Platform Module is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2023-1018.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2023-1018

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2023-1018 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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