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TI-2020-06186 Aliases CVE-2020-7666GHSA-mq35-x99r-54fc

Arbitrary File Write via Archive Extraction (Zip Slip)

Priority LOW 36CWE-22Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · High · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub.

Summary

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.

Why it matters now

EPSS 0.01527 74th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—github.com/u-root/u-root/pkg/cpioall versions—No fix listedCNA
—github.com/u-root/u-root/pkg/cpio (Go)up to 7.0.0—No fix listedGHSA-mq35-x99r-54fc
  • github.com/u-root/u-root/pkg/cpio Vendor— Affected all versions Fixed in — No fix listed CNA
  • github.com/u-root/u-root/pkg/cpio (Go) Vendor— Affected up to 7.0.0 Fixed in — No fix listed GHSA-mq35-x99r-54fc

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:u-root:u-root:*:*:*:*:*:*:*:*all versionsVulnerableU-root
  • cpe:2.3:a:u-root:u-root:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·U-root

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-7666
  2. 2026-10-03 Alias added: GHSA-mq35-x99r-54fc

References

Patch 1

Advisory 1

  • TI-2020-06189 Arbitrary File Write via Archive Extraction (Zip Slip) CVSS 3.1HIGH 7.5
  • TI-2020-06185 Arbitrary File Write via Archive Extraction (Zip Slip) CVSS 3.1HIGH 7.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences