RCE in Golang Go

CVE-2020-28366

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.

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.022 (80.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-28366?
CVE-2020-28366 is a high-severity vulnerability in Golang Go, classified under Code Injection. CVSS score: 7.5/10. Published 2020-11-18.
How severe is CVE-2020-28366?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2020-28366 known to be exploited?
6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.