CVE-2018-9057

HashiCorp Terraform Amazon Web Services (AWS) uses an insecure PRNG

9.8 CriticalFix available

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

1.92%Up 1.4 points since Apr 14, 2021

What each source reports

NVD Score used 9.8

Record: CVE-2018-9057
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:P/I:N/A:N
Weakness: CWE-332
Updated: 2026-11-02

CVE List No score

Record: CVE-2018-9057
Updated: 2026-11-02

EUVDEUVD-2022-5084 No score

Record: EUVD-2022-5084
Updated: 2026-11-03

GitHub AdvisoriesGHSA-r48h-jr2j-9g78 9.8

HashiCorp Terraform Amazon Web Services (AWS) uses an insecure PRNG

Record: GHSA-r48h-jr2j-9g78
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-332
Updated: 2026-11-02

OSV 9.8

Record: CVE-2018-9057
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVGHSA-r48h-jr2j-9g78 9.8

HashiCorp Terraform Amazon Web Services (AWS) uses an insecure PRNG

Record: GHSA-r48h-jr2j-9g78
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-332
Updated: 2026-11-02

OSVAZL-9179 No score

CVE-2018-9057 for package terraform is not applicable

This CVE either no longer is or was never applicable.

Record: AZL-9179
Updated: 2026-11-02

Affected products

hashicorp terraform

Affected packages

Affected packages
Package	Affected	Fixed
`github.com/hashicorp/terraform-provider-aws` Go	before 1.14.0	1.14.0

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-9057 is a critical vulnerability (CVSS 9.8) in Hashicorp Terraform, published March 27, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.92%, the 79th percentile. Fixed in github.com/hashicorp/terraform-provider-aws 1.14.0.