CVE-2020-7667

Arbitrary File Write via Archive Extraction (Zip Slip)

7.5 HighFix available

In package github.com/sassoftware/go-rpmutils/cpio before version 0.1.0, the CPIO extraction functionality doesn't sanitize the paths of the archived files for leading and non-leading ".." which leads in file extraction outside of the current directory. Note: the fixing commit was applied to all affected versions which were re-released.

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

1.60%Up 1.0 points since Apr 14, 2021

What each source reports

CVE List Score used 7.5

Arbitrary File Write via Archive Extraction (Zip Slip)

Record: CVE-2020-7667
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Updated: 2026-11-02

EUVDEUVD-2021-1296 7.5

Record: EUVD-2021-1296
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Updated: 2026-11-03

GitHub AdvisoriesGHSA-9423-6c93-gpp8 7.5

github.com/sassoftware/go-rpmutils Arbitrary File Write via Archive Extraction (Zip Slip)

The CPIO extraction functionality doesn't sanitize the paths of the archived files for leading and non-leading .. which leads in file extraction outside of the current directory. Note, the fixing commit was applied to all affected versions which were re-released.

Record: GHSA-9423-6c93-gpp8
CVSS 3.1: 7.5 HighCVSS: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 7.5

Record: CVE-2020-7667
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:N/I:P/A:N
Weakness: CWE-22
Updated: 2026-11-02

OSV 7.5

Record: CVE-2020-7667
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Updated: 2026-11-02

OSVGHSA-9423-6c93-gpp8 7.5

github.com/sassoftware/go-rpmutils Arbitrary File Write via Archive Extraction (Zip Slip)

Record: GHSA-9423-6c93-gpp8
CVSS 3.1: 7.5 HighCVSS: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-2020-0042 No score

Arbitrary File Write via Archive Extraction (Zip Slip) in github.com/sassoftware/go-rpmutils

Due to improper path sanitization, RPMs containing relative file paths can cause files to be written (or overwritten) outside of the target directory.

Record: GO-2020-0042
Updated: 2026-11-02

Affected products

sas go rpm utils

Affected packages

Affected packages
Package	Affected	Fixed
`github.com/sassoftware/go-rpmutils` Go	before 0.1.0	0.1.0

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases, published	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-7667 is a high vulnerability (CVSS 7.5) in Sas Go Rpm Utils, published June 24, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.60%, the 75th percentile. Fixed in github.com/sassoftware/go-rpmutils 0.1.0.