What is CVE-2021-42950?

CVE-2021-42950 is a high-severity vulnerability in Zepl. CVSS score: 8.8/10. Published 2022-03-03.

How severe is CVE-2021-42950?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2021-42950 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Zepl

CVE-2021-42950

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.

EPSS: 0.016 (72.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Zepl
N/a — versions n/a

Public proof-of-concept exploits

ARPSyndicate/cvemon

References

af854a3a-2127-422b-91ae-364da2661108 (x_refsource_MISC, Vendor Advisory)
cve@mitre.org (Mailing List, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-42950?: CVE-2021-42950 is a high-severity vulnerability in Zepl. CVSS score: 8.8/10. Published 2022-03-03.
How severe is CVE-2021-42950?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2021-42950 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.