CVE-2021-42135
8.1 · HIGHOverview
CVE-2021-42135 is a high-severity vulnerability affecting hashicorp vault. It was published on October 11, 2021 and has a CVSS 3.1 base score of 8.1 (HIGH).
This vulnerability has a CVSS 3.1 base score of 8.1, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
HashiCorp Vault and Vault Enterprise 1.8.x through 1.8.4 may have an unexpected interaction between glob-related policies and the Google Cloud secrets engine. Users may, in some situations, have more privileges than intended, e.g., a user with read permission for the /gcp/roleset/* path may be able to issue Google Cloud service account credentials.
Remediation
Check the references section for vendor advisories and patches from hashicorp. Update vault to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| hashicorp | vault | 1.8.0 | Affected |
References
Frequently Asked Questions
What is CVE-2021-42135?
CVE-2021-42135 is a high-severity vulnerability affecting hashicorp vault. It was published on October 11, 2021 and has a CVSS 3.1 base score of 8.1 (HIGH).
How severe is CVE-2021-42135?
This vulnerability has a CVSS 3.1 base score of 8.1, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2021-42135?
Check the references section for vendor advisories and patches from hashicorp. Update vault to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-42135?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-42135 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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