CVE-2020-24455
MEDIUM
6.7
CVSS Score
Published: February 26, 2021 at 02:55 AM UTC
Updated: June 17, 2026 at 03:05 AM UTC
2 products affected across 2 vendorsFedoraTPM2 Software Stack
Using TPM2 source by N/A?
Get instant alerts when new vulnerabilities affect TPM2 source - before attackers find them.
Real-time alertsTrack your software stackFree plan available
Severity
MEDIUM6.7
Exploit prediction
EPSS 0.6%
Description
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
95%
v < 2.4.3v < 3.013.0.0 ≤ v < 3.0.1
Affected range stops below 2.4.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 3.0.1, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (5)
x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=1902167x_refsource_CONFIRMRelease NotesThird Party Advisory
Source: [email protected]
https://github.com/tpm2-software/tpm2-tss/releases/tag/2.4.3x_refsource_CONFIRMRelease NotesThird Party Advisory
Source: [email protected]
https://github.com/tpm2-software/tpm2-tss/releases/tag/3.0.1Vendor Advisoryx_refsource_FEDORA
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7KPOENCMJU4DMT3BDNUBRK25B3DJ47UO/Vendor Advisoryx_refsource_GENTOOThird Party Advisory
Source: [email protected]
https://security.gentoo.org/glsa/202107-10CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- HIGH
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-909
Get alerted
Stop reading CVE feeds looking for your own stack
Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.
Free plan, no card