HOMEVULNERABILITIESCVE-2021-3115
HIGH

CVE-2021-3115

CWE-427Published: January 26, 2021· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

Go before 1.14.14 and 1.15.x before 1.15.7 on Windows is vulnerable to Command Injection and remote code execution when using the "go get" command to fetch modules that make use of cgo (for example, cgo can execute a gcc program from an untrusted download).

NVD Source

Technical Analysis

CVE-2021-3115 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityHigh
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Vendors & Products

Fedora1 product(s)
fedora
Go1 product(s)
go
Microsoft1 product(s)
windows
netapp2 product(s)
cloud insights telegraf agentstoragegrid
Source: NVD CPE · 5 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

ADVISORYhttps://blog.golang.org/path-security
ADVISORYhttps://groups.google.com/g/golang-announce/c/mperVMGa98w
ADVISORYhttps://security.gentoo.org/glsa/202208-02
ADVISORYhttps://security.netapp.com/advisory/ntap-20210219-0001/
ADVISORYhttps://blog.golang.org/path-security
ADVISORYhttps://groups.google.com/g/golang-announce/c/mperVMGa98w
ADVISORYhttps://security.gentoo.org/glsa/202208-02
ADVISORYhttps://security.netapp.com/advisory/ntap-20210219-0001/

All References (10)

→
https://blog.golang.org/path-securityVendor Advisory
→
https://groups.google.com/g/golang-announce/c/mperVMGa98wRelease Notes · Third Party Advisory
→
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YWAYJGXWC232SG3UR3TR574E6BP3OSQQ/
→
https://security.gentoo.org/glsa/202208-02Third Party Advisory
→
https://security.netapp.com/advisory/ntap-20210219-0001/Third Party Advisory
→
https://blog.golang.org/path-securityVendor Advisory
→
https://groups.google.com/g/golang-announce/c/mperVMGa98wRelease Notes · Third Party Advisory
→
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YWAYJGXWC232SG3UR3TR574E6BP3OSQQ/
→
https://security.gentoo.org/glsa/202208-02Third Party Advisory
→
https://security.netapp.com/advisory/ntap-20210219-0001/Third Party Advisory

Quick Facts

CVE IDCVE-2021-3115
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-427
CISA KEVNo
Affected4 vendor(s)
PublishedJan 26, 2021

Related CVEs (CWE-427)

CVE-2025-4981
9.9
CVE-2025-65741
9.8
CVE-2024-42190
9.8
CVE-2019-25268
9.8
CVE-2024-42191
9.8
CVE-2026-28393
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2021-3115 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. CVE data is provided under the NVD usage policy.
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