CVE-2025-3621
CVE-2025-3621 is a critical-severity vulnerability with a CVSS 3.x base score of 9.6. 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-77.
Key facts
- Severity: Critical (CVSS 3.x base score 9.6)
- CVSS v4: 9.4
- EPSS exploit prediction: 1% (53rd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-21419
- Weakness: CWE-77
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2025-3621?
- 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.
- How severe is CVE-2025-3621?
- CVE-2025-3621 has a CVSS 3.x base score of 9.6, rated critical severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability low.
- Is CVE-2025-3621 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2025-3621?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- Does CVE-2025-3621 have an EU (EUVD) identifier?
- Yes. CVE-2025-3621 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-21419.
- When was CVE-2025-3621 published?
- CVE-2025-3621 was published on 2025-07-15 and last updated on 2026-06-17.
References
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