How severe is CVE-2021-3153?

CVE-2021-3153 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2021-3153 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-3153?

CVE-2021-3153 affects Hashicorp Terraform Enterprise. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-3153?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-3153 published?

CVE-2021-3153 was published on 2021-03-26 and last updated on 2026-06-17.

CVE-2021-3153

CVE-2021-3153 is a medium-severity vulnerability in Hashicorp Terraform Enterprise with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Hashicorp Terraform Enterprise
Published: 2021-03-26
Last modified: 2026-06-17

Description

HashiCorp Terraform Enterprise up to v202102-2 failed to enforce an organization-level setting that required users within an organization to have two-factor authentication enabled. Fixed in v202103-1.

Frequently asked questions

What is CVE-2021-3153?: HashiCorp Terraform Enterprise up to v202102-2 failed to enforce an organization-level setting that required users within an organization to have two-factor authentication enabled. Fixed in v202103-1.
How severe is CVE-2021-3153?: CVE-2021-3153 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2021-3153 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-3153?: CVE-2021-3153 affects Hashicorp Terraform Enterprise. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-3153?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-3153 published?: CVE-2021-3153 was published on 2021-03-26 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:a:hashicorp:terraform_enterprise:*:*:*:*:*:*:*:*

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