5.5

CVE-2023-1018: TPM2.0 vulnerable to out-of-bounds read

Modified
AliasesUBUNTU-CVE-2023-1018DEBIAN-CVE-2023-1018
Published 28-02-2023Last modified 04-11-2025

Vulnerability summary

CVE-2023-1018 is a medium (CVSS 5.5) Out-of-bounds Read vulnerability in microsoft windows_10_1507. EPSS estimates a 5.55% chance of exploitation in the next 30 days, higher than 92.8% of scored vulnerabilities.

Overall risk
23/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
5.55%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 6 · Related 2

Timeline

  1. 28-02-2023
    PublishedVulnerability first disclosed.
  2. 04-11-2025
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

5.55%

Chance of exploitation in the next 30 days

Percentile

93%

Versus all other CVEs

30-day change

No change 0.00 pp

From 5.55% on 22-09-2026

22-09-202622-10-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Microsoft11 products
Debian1 product
  • libtpms< 0.9.2-3.1
Trusted computing group1 product
Trustedcomputinggroup1 product
Ubuntu1 product
  • libtpms< 0.9.3-0ubuntu1.22.04.1

5 vendors · 15 products

References

9 links