CVE-2020-28407

HighCVSS 7.1/10Last modified Jun 17, 2026

Description

In swtpm before 0.4.2 and 0.5.x before 0.5.1, a local attacker may be able to overwrite arbitrary files via a symlink attack against a temporary file such as TMP2-00.permall.

Metrics

CVSS 3.1 7.1/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Weakness enumeration

CWE-59

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://bugzilla.suse.com/show_bug.cgi?id=1198395Issue Tracking, Patch, Third Party Advisory
https://github.com/stefanberger/swtpm/releases/tag/v0.4.2Release Notes
https://github.com/stefanberger/swtpm/releases/tag/v0.5.1Release Notes
https://bugzilla.suse.com/show_bug.cgi?id=1198395Issue Tracking, Patch, Third Party Advisory
https://github.com/stefanberger/swtpm/releases/tag/v0.4.2Release Notes
https://github.com/stefanberger/swtpm/releases/tag/v0.5.1Release Notes

Timeline

Published: Nov 3, 2023
Last modified: Jun 17, 2026
NVD status: Modified

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