Security readout for executives and security teams
Plain-English summary
Terraform Enterprise versions through v202108-1 exposed a sensitive URL through an API endpoint to authenticated users. That URL could enable privilege escalation or unauthorized Terraform configuration changes. HashiCorp fixed the issue in v202109-1.
Executive priority
Prioritize remediation if Terraform Enterprise manages production or sensitive infrastructure. The issue is authenticated, but the potential impact includes unauthorized infrastructure configuration changes and privilege escalation.
Technical view
An API endpoint in Terraform Enterprise's configuration versions area disclosed a sensitive URL to authenticated parties. Public sources state the URL could be used for privilege escalation or unauthorized modification of Terraform configuration. No CVSS, CWE, or detailed exploit prerequisites were provided in the bundle.
Likely exposure
Organizations running HashiCorp Terraform Enterprise up to v202108-1 are potentially exposed, especially where many users or automation accounts can authenticate to the service.
Exploitation context
The sources do not report active exploitation, and the CVE is not listed as KEV. Exploitation requires authenticated access based on the provided description. The main risk is misuse by a valid user or compromised account.
Researcher notes
The bundle identifies the affected product and fixed version, but lacks CVSS, CWE, endpoint details, or exploit evidence. Keep analysis constrained to authenticated sensitive URL disclosure and configuration modification risk.
Mitigation direction
- Upgrade Terraform Enterprise to v202109-1 or later.
- Review HashiCorp advisory HCSEC-2021-25 for vendor-specific guidance.
- Restrict Terraform Enterprise access to trusted users and service accounts.
- Review recent Terraform configuration version activity for suspicious changes.
Validation and detection
- Identify the deployed Terraform Enterprise version.
- Confirm whether any instance is at or below v202108-1.
- Review authenticated users and automation accounts with Terraform Enterprise access.
- Check audit logs for unexpected configuration version modifications.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
Privilege behavior lookup
The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2021-40862 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://discuss.hashicorp.com/t/hcsec-2021-25-terraform-enterprise-configuration-versions-api-discloses-sensitive-url/29508CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.