What’s Vulnerable › Vulnerabilities
CVE-2021-42952
- Severity: critical (CVSS 9.9 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 1.6% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2022-02-25 · updated 2026-07-09
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.
Affected products
- Zepl: before 2021-10-25 — fixed in 2021-10-25
How to fix
Upgrade to a fixed version: Zepl 2021-10-25. Check the vendor advisory for mitigations.
References
Get alerted when CVE-2021-42952 or the next vulnerability affects your stack