Path Traversal in U-Root

CVE-2020-7665

This affects all versions of package github.com/u-root/u-root/pkg/uzip. It is vulnerable to both leading and non-leading relative path traversal attacks in zip file extraction.

Vulnerability class: Path Traversal (Directory Traversal)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.018 (78.1th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 78.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2020-7665: held from 0.018 to 0.018.

EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000

Affected products

  • U-Root
  • Github.com/u-Root/u-Root/pkg/uzip — versions 0

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-7665?
CVE-2020-7665 is a high-severity vulnerability in U-Root, classified under Path Traversal. CVSS score: 7.5/10. Published 2020-09-01.
How severe is CVE-2020-7665?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2020-7665 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.