Is CVE-2025-3621 in the CISA KEV catalog?

No. CVE-2025-3621 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-3621?

CVE-2025-3621 has a CVSS v3 base score of 9.6 (CRITICAL).

What is the EPSS score for CVE-2025-3621?

CVE-2025-3621 has an EPSS score of 0.81% (53th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2025-3621?

No published fix for CVE-2025-3621 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2025-3621

CRITICAL

9.6

CVSS v3

NVD

Description

Vulnerabilities* in ActADUR local server product, developed and maintained by ProTNS, allows Remote Code Inclusion on host systems. * vulnerabilities: * Improper Neutralization of Special Elements used in a Command ('Command Injection') * Use of Hard-coded Credentials * Improper Authentication * Binding to an Unrestricted IP Address The vulnerability has been rated as critical.This issue affects ActADUR: from v2.0.1.9 before v2.0.2.0., hence updating to version v2.0.2.0. or above is required.

CWE-77Command Injection CWE-287Improper Authentication CWE-798Hard-coded Credentials CWE-1327

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

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CVSS v3 Vector

Exploitability

Attack VectorAdjacent

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeChanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityLow

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L

Exploit Intelligence

0.81%probability of exploitation in 30 days

53rdpercentile

Moderate risk: more likely to be exploited than 53% of all known CVEs.

References

Other references1

protns.com

Related Vulnerabilities

Other CWE-77 (Command Injection) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-3400	Critical	10.0	100%	KEV + Ransom	-
CVE-2024-21887	Critical	9.1	100%	KEV + Ransom	-
CVE-2023-1671	Critical	9.8	100%	KEV	Fix
CVE-2023-1389	High	8.8	100%	KEV	Fix
CVE-2021-1498	Critical	9.8	100%	KEV	Fix
CVE-2012-1823	Critical	9.8	100%	KEV	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-07-15.