HOMEVULNERABILITIESCVE-2020-7667
HIGH

CVE-2020-7667

CWE-22Published: June 24, 2020· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

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.

NVD Source

Technical Analysis

CVE-2020-7667 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in full integrity compromise (data manipulation), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected Vendors & Products

sas1 product(s)
go rpm utils
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://github.com/sassoftware/go-rpmutils/commit/a64058cf21b8aada501bba923c9aab66fb6febf0
PATCHhttps://github.com/sassoftware/go-rpmutils/commit/a64058cf21b8aada501bba923c9aab66fb6febf0
ADVISORYhttps://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMSASSOFTWAREGORPMUTILSCPIO-570427
ADVISORYhttps://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMSASSOFTWAREGORPMUTILSCPIO-570427

All References (4)

→
https://github.com/sassoftware/go-rpmutils/commit/a64058cf21b8aada501bba923c9aab66fb6febf0Patch · Third Party Advisory
→
https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMSASSOFTWAREGORPMUTILSCPIO-570427Exploit · Third Party Advisory
→
https://github.com/sassoftware/go-rpmutils/commit/a64058cf21b8aada501bba923c9aab66fb6febf0Patch · Third Party Advisory
→
https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMSASSOFTWAREGORPMUTILSCPIO-570427Exploit · Third Party Advisory

Quick Facts

CVE IDCVE-2020-7667
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-22
CISA KEVNo
Affected1 vendor(s)
PublishedJun 24, 2020

Related CVEs (CWE-22)

CVE-2011-5127
10.0
CVE-2011-2653
10.0
CVE-2023-2909
10.0
CVE-2024-37902
10.0
CVE-2013-6221
10.0
CVE-2015-0779
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2020-7667 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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