What is CVE-2018-9057?

CVE-2018-9057 is a critical-severity vulnerability in Hashicorp Terraform, classified under CWE-332. CVSS score: 9.8/10. Published 2018-03-27.

How severe is CVE-2018-9057?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Hashicorp Terraform

CVE-2018-9057

aws/resource_aws_iam_user_login_profile.go in the HashiCorp Terraform Amazon Web Services (AWS) provider through v1.12.0 has an inappropriate PRNG algorithm and seeding, which makes it easier for remote attackers to obtain access by leveraging an IAM account that was provisioned with a weak password.

Published 2018-03-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.019 (79.2th percentile), scored 2026-10-07.

Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 79.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: 0.000

Affected products

Hashicorp Terraform

Weakness classification (CWE)

CWE-332

References

github.com/terraform-providers/terraform-provider-aws/pull/3934 (Patch, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2018-9057?: CVE-2018-9057 is a critical-severity vulnerability in Hashicorp Terraform, classified under CWE-332. CVSS score: 9.8/10. Published 2018-03-27.
How severe is CVE-2018-9057?: Critical severity. CVSS v3 base score is 9.8 out of 10.