How severe is CVE-2021-42122?

CVE-2021-42122 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2021-42122 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-42122?

CVE-2021-42122 affects Businessdnasolutions Topease. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-42122?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-42122 published?

CVE-2021-42122 was published on 2021-11-30 and last updated on 2026-06-17.

CVE-2021-42122

CVE-2021-42122 is a medium-severity vulnerability in Businessdnasolutions Topease with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 4.0
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Businessdnasolutions Topease
Published: 2021-11-30
Last modified: 2026-06-17

Description

Insufficient Input Validation in Web Applications operating on Business-DNA Solutions GmbH’s TopEase® Platform Version <= 7.1.27 on an object’s attributes with numeric format allows an authenticated remote attacker with Object Modification privileges to insert an unexpected format, which makes the affected attribute non-editable.

Frequently asked questions

What is CVE-2021-42122?: Insufficient Input Validation in Web Applications operating on Business-DNA Solutions GmbH’s TopEase® Platform Version <= 7.1.27 on an object’s attributes with numeric format allows an authenticated remote attacker with Object Modification privileges to insert an unexpected format, which makes the affected attribute non-editable.
How severe is CVE-2021-42122?: CVE-2021-42122 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2021-42122 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-42122?: CVE-2021-42122 affects Businessdnasolutions Topease. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-42122?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-42122 published?: CVE-2021-42122 was published on 2021-11-30 and last updated on 2026-06-17.

References

https://confluence.topease.ch/confluence/display/DOC/Release+Notes

Affected products (1)

cpe:2.3:a:businessdnasolutions:topease:*:*:*:*:*:*:*:*

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