THREATPORT/VULNERABILITY/CVE-2021-38297
CRITICAL SEVERITY

CVE-2021-38297

Go vulnerability

CVSS
9.8
EPSS
10.3%
EPSS pct
95th
Exploited
No known
Go before 1.16.9 and 1.17.x before 1.17.2 has a Buffer Overflow via large arguments in a function invocation from a WASM module, when GOARCH=wasm GOOS=js is used.
Affected vendor
Golang
Affected product
Go
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-120 — Classic Buffer Overflow
Published
2021-10-18

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 10.3% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 95% of all scored CVEs.

Check your external exposure to CVE-2021-38297

  • Confirm whether Golang Go is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2021-38297.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2021-38297

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