RCE in Golang Go
CVE-2023-39320
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 "…
Vulnerability class: RCE (Remote Code Execution)
EPSS: 0.014 (70.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Golang Go
- Go Toolchain Cmd/go — versions 1.21.0-0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@golang.org (Issue Tracking)
- security@golang.org (Patch)
- security@golang.org (Release Notes)
- security@golang.org (Vendor Advisory)
- security@golang.org (Third Party Advisory)
- security@golang.org
Frequently asked questions
- What is CVE-2023-39320?
- CVE-2023-39320 is a critical-severity vulnerability in Golang Go, classified under Code Injection. CVSS score: 9.8/10. Published 2023-09-08.
- How severe is CVE-2023-39320?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2023-39320 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.