Security readout for executives and security teams
CVE-2020-24330 affects TrouSerS through 0.3.14, specifically the tcsd TPM 1.2 daemon. If tcsd is started with root privileges instead of the intended tss user, it may retain root group privileges after they should be dropped. The risk depends on whether affected TrouSerS packages are installed and how the daemon is launched. Exposure is most likely on Linux systems using TrouSerS TPM 1.2 support with tcsd enabled, especially where local service configuration starts tcsd as root. Systems without TrouSerS, without tcsd, or using different TPM stacks are not shown as affected by the provided sources. Prioritize this where TrouSerS supports security-sensitive workloads, legacy TPM 1.2 infrastructure, or regulated Linux fleets. It is not presented as internet-wide or actively exploited in the supplied evidence, but privilege handling in system daemons deserves timely vendor-aligned remediation. Mitigation focus: Inventory systems with TrouSerS or tcsd installed.; Check vendor advisories for patched TrouSerS packages.; Ensure tcsd is launched as the intended tss user..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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CVE-2020-24330 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://sourceforge.net/p/trousers/mailman/message/37015817/CVE reference · x_refsource_MISC
- https://bugzilla.suse.com/show_bug.cgi?id=1164472CVE reference · x_refsource_MISC
- https://seclists.org/oss-sec/2020/q2/att-135/tcsd_fixes.patchCVE reference · x_refsource_MISC
- FEDORA-2020-ab3dace708CVE reference · vendor-advisory, x_refsource_FEDORA
Products and packages named in the record
CWE details
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