CVE-2020-7669
Arbitrary File Write via Archive Extraction (Zip Slip)
This affects all versions of package github.com/u-root/u-root/pkg/tarutil. It is vulnerable to both leading and non-leading relative path traversal attacks in tar file extraction.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Arbitrary File Write via Archive Extraction (Zip Slip)
This affects all versions of package github.com/u-root/u-root/pkg/tarutil. It is vulnerable to both leading and non-leading relative path traversal attacks in tar file extraction.
- Record
CVE-2020-7669- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Updated
- 2026-11-02
EUVDEUVD-2021-0987
This affects all versions of package github.com/u-root/u-root/pkg/tarutil. It is vulnerable to both leading and non-leading relative path traversal attacks in tar file extraction.
- Record
EUVD-2021-0987- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-75qf-wgfj-v652
github.com/u-root/u-root/pkg/tarutil Arbitrary File Write via Archive Extraction (Zip Slip)
This affects all versions up to and including version 0.7.0 of package github.com/u-root/u-root/pkg/tarutil. It is vulnerable to both leading and non-leading relative path traversal attacks in tar file extraction.
- Record
GHSA-75qf-wgfj-v652- 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 - Weakness
- CWE-22
- Updated
- 2026-11-02
NVD
This affects all versions of package github.com/u-root/u-root/pkg/tarutil. It is vulnerable to both leading and non-leading relative path traversal attacks in tar file extraction.
- Record
CVE-2020-7669- 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 - CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:P/A:N - Weakness
- CWE-22
- Updated
- 2026-11-02
OSVGHSA-75qf-wgfj-v652
github.com/u-root/u-root/pkg/tarutil Arbitrary File Write via Archive Extraction (Zip Slip)
This affects all versions up to and including version 0.7.0 of package github.com/u-root/u-root/pkg/tarutil. It is vulnerable to both leading and non-leading relative path traversal attacks in tar file extraction.
- Record
GHSA-75qf-wgfj-v652- 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 - Weakness
- CWE-22
- Updated
- 2026-11-02
OSVGO-2022-0805 No score
github.com/u-root/u-root/pkg/tarutil Arbitrary File Write via Archive Extraction (Zip Slip) in github.com/u-root/u-root
github.com/u-root/u-root/pkg/tarutil Arbitrary File Write via Archive Extraction (Zip Slip) in github.com/u-root/u-root
- Record
GO-2022-0805- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
github.com/u-root/u-rootGo |
before 0.9.0 | 0.9.0 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-7669 is a high vulnerability (CVSS 7.5) in U-root, published September 1, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.83%, the 78th percentile. Fixed in github.com/u-root/u-root 0.9.0.