CVE-2023-39320 - CVE House
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Status published Unknown CVE-2023-39320

Arbitrary code execution via go.mod toolchain directive in cmd/go

Vulnerability Description

The go.mod toolchain directive, introduced in Go 1.21, can be leveraged to execute scripts and binaries relative to the root of the module when the "go" command was executed within the module. This applies to modules downloaded using the "go" command from the module proxy, as well as modules downloaded directly using VCS software.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Juho Nurminen of Mattermost

References

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Affected Vendor

Go toolchain

View all reports →

Affected Software

cmd/go
Vulnerable Versions:
1.21.0-0

Timeline

Official Publish: September 8th, 2023
Last Modified: February 13th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.