How severe is CVE-2003-20001?

CVE-2003-20001 has a CVSS 3.x base score of 5.6, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2003-20001 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2003-20001?

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

Does CVE-2003-20001 have an EU (EUVD) identifier?

Yes. CVE-2003-20001 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-9495.

When was CVE-2003-20001 published?

CVE-2003-20001 was published on 2025-04-01 and last updated on 2026-06-16.

CVE-2003-20001

CVE-2003-20001 is a medium-severity vulnerability with a CVSS 3.x base score of 5.6. 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-200.

Key facts

Severity: Medium (CVSS 3.x base score 5.6)
EPSS exploit prediction: 2% (71st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-9495
Weakness: CWE-200
Published: 2025-04-01
Last modified: 2026-06-16

Description

An issue was discovered on Mitel ICP VoIP 3100 devices. When a remote user attempts to log in via TELNET during the login wait time and an external call comes in, the system incorrectly divulges information about the call and any SMDR records generated by the system. The information provided includes the service type, extension number and other parameters, related to the call activity.

Frequently asked questions

What is CVE-2003-20001?: An issue was discovered on Mitel ICP VoIP 3100 devices. When a remote user attempts to log in via TELNET during the login wait time and an external call comes in, the system incorrectly divulges information about the call and any SMDR records generated by the system. The information provided includes the service type, extension number and other parameters, related to the call activity.
How severe is CVE-2003-20001?: CVE-2003-20001 has a CVSS 3.x base score of 5.6, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2003-20001 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2003-20001?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2003-20001 have an EU (EUVD) identifier?: Yes. CVE-2003-20001 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-9495.
When was CVE-2003-20001 published?: CVE-2003-20001 was published on 2025-04-01 and last updated on 2026-06-16.

References

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