2FA bypass in HashiCorp Terraform Enterprise



| Updated: 2022-07-14
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-3153
CWE-ID CWE-287
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Terraform Enterprise
Web applications / Other software

Vendor HashiCorp

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Improper Authentication

EUVDB-ID: #VU65329

Risk: Low

CVSSv4.0: 0.6 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-3153

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error in authentication process that failed to enforce an organization-level setting that required users within an organization to have two-factor authentication enabled. A remote attacker can bypass 2FA authentication process and gain unauthorized access to the application.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Terraform Enterprise: 201804-1 - 202112-1

CPE2.3 External links

https://discuss.hashicorp.com/t/hcsec-2021-06-terraform-enterprise-organization-level-mfa-requirement-was-not-enforced/22401


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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