How severe is CVE-2024-1621?

CVE-2024-1621 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2024-1621 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-1621?

CVE-2024-1621 primarily affects Nt-ware Uniflow Online. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-1621?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2024-1621 have an EU (EUVD) identifier?

Yes. CVE-2024-1621 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-17361.

When was CVE-2024-1621 published?

CVE-2024-1621 was published on 2024-09-02 and last updated on 2026-06-17.

CVE-2024-1621

CVE-2024-1621 is a high-severity vulnerability in Nt-ware Uniflow Online with a CVSS 3.x base score of 7.5. 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-940.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v4: 8.3
EPSS exploit prediction: 0% (28th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-17361
Weakness: CWE-940
Affected product: Nt-ware Uniflow Online
Published: 2024-09-02
Last modified: 2026-06-17

Description

The registration process of uniFLOW Online (NT-ware product) apps, prior to and including version 2024.1.0, can be compromised when email login is enabled on the tenant. Those tenants utilising email login in combination with Microsoft Safe Links or similar are impacted. This vulnerability may allow the attacker to register themselves against a genuine user in the system and allow malicious users with similar access and capabilities via the app to the existing genuine user.

Frequently asked questions

What is CVE-2024-1621?: The registration process of uniFLOW Online (NT-ware product) apps, prior to and including version 2024.1.0, can be compromised when email login is enabled on the tenant. Those tenants utilising email login in combination with Microsoft Safe Links or similar are impacted. This vulnerability may allow the attacker to register themselves against a genuine user in the system and allow malicious users with similar access and capabilities via the app to the existing genuine user.
How severe is CVE-2024-1621?: CVE-2024-1621 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2024-1621 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-1621?: CVE-2024-1621 primarily affects Nt-ware Uniflow Online. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-1621?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-1621 have an EU (EUVD) identifier?: Yes. CVE-2024-1621 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-17361.
When was CVE-2024-1621 published?: CVE-2024-1621 was published on 2024-09-02 and last updated on 2026-06-17.

References

Affected products (6)

cpe:2.3:a:nt-ware:uniflow_online:*:*:*:*:*:-:*:*
cpe:2.3:a:nt-ware:uniflow_online:-:*:*:*:*:chrome:*:*
cpe:2.3:a:nt-ware:uniflow_online_print_\&_scan:-:*:*:*:*:andriod:*:*
cpe:2.3:a:nt-ware:uniflow_online_print_\&_scan:-:*:*:*:*:iphone_os:*:*
cpe:2.3:a:nt-ware:uniflow_smartclient:-:*:*:*:*:macos:*:*
cpe:2.3:a:nt-ware:uniflow_smartclient:-:*:*:*:*:windows:*:*

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