How severe is CVE-2020-15511?

CVE-2020-15511 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2020-15511 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-15511?

CVE-2020-15511 affects Hashicorp Terraform Enterprise. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-15511?

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

When was CVE-2020-15511 published?

CVE-2020-15511 was published on 2020-07-30 and last updated on 2026-06-17.

CVE-2020-15511

CVE-2020-15511 is a medium-severity vulnerability in Hashicorp Terraform Enterprise with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 1% (54th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Hashicorp Terraform Enterprise
Published: 2020-07-30
Last modified: 2026-06-17

Description

HashiCorp Terraform Enterprise up to v202006-1 contained a default signup page that allowed user registration even when disabled, bypassing SAML enforcement. Fixed in v202007-1.

Frequently asked questions

What is CVE-2020-15511?: HashiCorp Terraform Enterprise up to v202006-1 contained a default signup page that allowed user registration even when disabled, bypassing SAML enforcement. Fixed in v202007-1.
How severe is CVE-2020-15511?: CVE-2020-15511 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2020-15511 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-15511?: CVE-2020-15511 affects Hashicorp Terraform Enterprise. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-15511?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-15511 published?: CVE-2020-15511 was published on 2020-07-30 and last updated on 2026-06-17.

References

Affected products (1)

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

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