What’s Vulnerable › Vulnerabilities

CVE-2020-28366: Arbitrary code execution in go command with cgo in cmd/go and cmd/cgo

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-11-18 · updated 2026-06-17
• Weakness: CWE-94

Description

Code injection in the go command with cgo before Go 1.14.12 and Go 1.15.5 allows arbitrary code execution at build time via a malicious unquoted symbol name in a linked object file.

Affected products

• Fedoraproject Fedora: 32, 33
• Go: before 1.14.12; from 1.15 before 1.15.5 — fixed in 1.14.12, 1.15.5
• NetApp Cloud Insights Telegraf Agent: all versions
• NetApp Trident: all versions

How to fix

Upgrade to a fixed version: Go 1.14.12, 1.15.5. Check the vendor advisory for mitigations.

References

• https://go.dev/cl/269658
• https://go.dev/issue/42559
• https://go.googlesource.com/go/+/062e0e5ce6df339dc26732438ad771f73dbf2292
• https://groups.google.com/g/golang-announce/c/NpBGTTmKzpM
• https://pkg.go.dev/vuln/GO-2022-0475
• https://go.dev/cl/269658
• https://go.dev/issue/42559
• https://go.googlesource.com/go/+/062e0e5ce6df339dc26732438ad771f73dbf2292
• https://groups.google.com/g/golang-announce/c/NpBGTTmKzpM
• https://pkg.go.dev/vuln/GO-2022-0475

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