What is CVE-2021-42121?

CVE-2021-42121 is a medium-severity vulnerability in Businessdnasolutions Topease, classified under Improper Input Validation. CVSS score: 4.3/10. Published 2021-11-30.

How severe is CVE-2021-42121?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Is CVE-2021-42121 known to be exploited?

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

Improper input validation in Businessdnasolutions Topease

CVE-2021-42121

Insufficient Input Validation in Web Applications operating on Business-DNA Solutions GmbH’s TopEase® Platform Version <= 7.1.27 on an object’s date attribute(s) allows an authenticated remote attacker with Object Modification privileges to insert an unexpected format into date fields, which leads to breaking the object page that the date field is present.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.010 (60.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.

Affected products

Businessdnasolutions Topease
Business-dna Solutions Gmbh Topease — versions unspecified

Weakness classification (CWE)

CWE-20 — Improper Input Validation

Public proof-of-concept exploits

References

vulnerability@ncsc.ch (x_refsource_CONFIRM, Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2021-42121?: CVE-2021-42121 is a medium-severity vulnerability in Businessdnasolutions Topease, classified under Improper Input Validation. CVSS score: 4.3/10. Published 2021-11-30.
How severe is CVE-2021-42121?: Medium severity. CVSS v3 base score is 4.3 out of 10.
Is CVE-2021-42121 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.