CVE•Published 2022-03-03•Modified 2026-07-09•1 article on news•6 live references•NVD data

CVE-2021-42950Zepl · Zepl

Vulnerability data via NVD (ingested)

CVSS v3.1

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS percentile

Exploit Prediction Scoring System · top 26% of all CVEs

Description

Remote Code Execution (RCE) vulnerability exists in Zepl Notebooks all previous versions before October 25 2021. Users can register for an account and are allocated a set number of credits to try the product. Once users authenticate, they can proceed to create a new organization by which additional users can be added for various collaboration abilities, which allows malicious user to create new Zepl Notebooks with various languages, contexts, and deployment scenarios. Upon creating a new notebook with specially crafted malicious code, a user can then launch remote code execution.

Timeline

Published 2022-03-03

Modified 2026-07-09

External references

NVD MITRE Exploit-DB GitHub PoC trickest/cve VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2021-42950

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · product

product:"Zepl Zepl"

All exposed Zepl Zepl instances — cross-reference with the CVE's affected-version range.

Shodan · banner/body mention

http.html:"Zepl"

HTTP body or banner mentions "Zepl" — catches deploys Shodan didn't identify as a product.

More intel sources (5)

Shodan report

vuln:CVE-2021-42950