CVE-2021-42950

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.

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 2.85% Top 15%
Vendor Advisory zepl.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://zepl.com vendor advisory
https://seclists.org/fulldisclosure/2022/Feb/31 third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2021-42950?
CVE-2021-42950 has been scored as a high severity vulnerability.
How to fix CVE-2021-42950?
To fix CVE-2021-42950, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-42950 being actively exploited in the wild?
It is possible that CVE-2021-42950 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.