Vulnerability in Swtpm Project
CVE-2020-28407
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H.
EPSS exploit prediction
EPSS: 0.003 (18.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 18th percentile — 18.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Swtpm Project — versions 0.5.0
Weakness classification (CWE)
References
- github.com/stefanberger/swtpm/releases/tag/v0.4.2 (Release Notes)
- bugzilla.suse.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- github.com/stefanberger/swtpm/releases/tag/v0.5.1 (Release Notes)
Frequently asked questions
- What is CVE-2020-28407?
- CVE-2020-28407 is a high-severity vulnerability in Swtpm Project, classified under Improper Link Resolution Before File Access. CVSS score: 7.1/10. Published 2023-11-03.
- How severe is CVE-2020-28407?
- High severity. CVSS v3 base score is 7.1 out of 10.