CVE-2021-42952
9.9 · CRITICALOverview
CVE-2021-42952 is a critical-severity vulnerability affecting zepl zepl. It was published on February 25, 2022 and has a CVSS 3.1 base score of 9.9 (CRITICAL).
This vulnerability has a CVSS 3.1 base score of 9.9, rated CRITICAL. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
Zepl Notebooks before 2021-10-25 are affected by a sandbox escape vulnerability. Upon launching Remote Code Execution from the Notebook, users can then use that to subsequently escape the running context sandbox and proceed to access internal Zepl assets including cloud metadata services.
Remediation
Check the references section for vendor advisories and patches from zepl. Update zepl 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 |
|---|---|---|---|
| zepl | zepl | >= 0, < 2021-10-25 | Affected |
Frequently Asked Questions
What is CVE-2021-42952?
CVE-2021-42952 is a critical-severity vulnerability affecting zepl zepl. It was published on February 25, 2022 and has a CVSS 3.1 base score of 9.9 (CRITICAL).
How severe is CVE-2021-42952?
This vulnerability has a CVSS 3.1 base score of 9.9, rated CRITICAL. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2021-42952?
Check the references section for vendor advisories and patches from zepl. Update zepl 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-2021-42952?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-42952 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.
AI-driven PR review catches vulnerable dependencies before they ship.
Browser-based exploitation validates findings with real proof-of-concept.
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