Cyber Resilience

CVE-2020-24455

Medium

Published: 26 February 2021

Published
26 February 2021
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0010 27.5th percentile
Risk Priority 13 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2020-24455 is a medium-severity Missing Initialization of Resource (CWE-909) vulnerability in Tpm2 Software Stack Project Tpm2 Software Stack. Its CVSS base score is 6.7 (Medium).

Operationally, ranked at the 27.5th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Missing initialization of a variable in the TPM2 source may allow a privileged user to potentially enable an escalation of privilege via local access. This affects tpm2-tss before 3.0.1 and before 2.4.3.

CWE(s)
CWE-909

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

tpm2 software stack project
tpm2 software stack
≤ 2.4.3 · 3.0.0 — 3.0.1
fedoraproject
fedora
34

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References