cve.bz

CVE-2020-7666

7.5 highEPSS 1.5%

High (7.5) in u-root u-root. EPSS 1.5% chance of exploitation in the next 30 days.

This affects all versions of package github.com/u-root/u-root/pkg/cpio. It is vulnerable to leading, non-leading relative path traversal attacks and symlink based (relative and absolute) path traversal attacks in cpio file extraction.

Severity

CVSS 3.1

7.5 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS
1.5% chance of exploitation in the next 30 days; higher than 74% of CVEs (scores of 2026-10-31)
CWE
CWE-22
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-mq35-x99r-54fcGogithub.com/u-root/u-root/pkg/cpio<=7.0.0no fix published

References

Check your stackJSON