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Case File

CVE-2021-42952

CRITICAL · CVSS 9.9 EPSS 1.56% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-02-25 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.9. Public exploit code or proof-of-concept references have been detected in its references. It may be remotely exploitable.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
remote code execution code execution

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2021-42952
Severity
CRITICAL
CVSS
9.9
EPSS
1.56%

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)