How severe is CVE-2004-1759?

CVE-2004-1759 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2004-1759 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2004-1759?

CVE-2004-1759 primarily affects Cisco Emergency Responder. In total, 34 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2004-1759?

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

When was CVE-2004-1759 published?

CVE-2004-1759 was published on 2004-01-21 and last updated on 2026-06-16.

CVE-2004-1759

CVE-2004-1759 is a medium-severity vulnerability in Cisco Emergency Responder with a CVSS 2.0 base score of 5.0. 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-399.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Cisco Emergency Responder
Published: 2004-01-21
Last modified: 2026-06-16

Description

Cisco voice products, when running the IBM Director Agent on IBM servers before OS 2000.2.6, allows remote attackers to cause a denial of service (CPU consumption) via arbitrary packets to TCP port 14247, as demonstrated using port scanning.

Frequently asked questions

What is CVE-2004-1759?: Cisco voice products, when running the IBM Director Agent on IBM servers before OS 2000.2.6, allows remote attackers to cause a denial of service (CPU consumption) via arbitrary packets to TCP port 14247, as demonstrated using port scanning.
How severe is CVE-2004-1759?: CVE-2004-1759 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2004-1759 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2004-1759?: CVE-2004-1759 primarily affects Cisco Emergency Responder. In total, 34 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2004-1759?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2004-1759 published?: CVE-2004-1759 was published on 2004-01-21 and last updated on 2026-06-16.

References

Affected products (34)

cpe:2.3:a:cisco:emergency_responder:1.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:ip_call_center_express_enhanced:3.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:ip_call_center_express_standard:3.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:ip_interactive_voice_response:3.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:personal_assistant:1.3\(1\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:personal_assistant:1.3\(2\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:personal_assistant:1.3\(3\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:personal_assistant:1.3\(4\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:personal_assistant:1.4\(1\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:personal_assistant:1.4\(2\):*:*:*:*:*:*:*
cpe:2.3:a:ibm:director_agent:2.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:director_agent:3.11:*:*:*:*:*:*:*
cpe:2.3:h:cisco:call_manager:1.0:*:*:*:*:*:*:*
cpe:2.3:h:cisco:call_manager:2.0:*:*:*:*:*:*:*
cpe:2.3:h:cisco:call_manager:3.0:*:*:*:*:*:*:*
cpe:2.3:h:cisco:call_manager:3.1:*:*:*:*:*:*:*
cpe:2.3:h:cisco:call_manager:3.1\(2\):*:*:*:*:*:*:*
cpe:2.3:h:cisco:call_manager:3.1\(3a\):*:*:*:*:*:*:*
cpe:2.3:h:cisco:call_manager:3.2:*:*:*:*:*:*:*
cpe:2.3:h:cisco:call_manager:3.3:*:*:*:*:*:*:*
cpe:2.3:h:cisco:call_manager:3.3\(3\):*:*:*:*:*:*:*
cpe:2.3:h:cisco:call_manager:4.0:*:*:*:*:*:*:*
cpe:2.3:h:cisco:internet_service_node:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:conference_connection:1.1\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:conference_connection:1.2:*:*:*:*:*:*:*
cpe:2.3:h:ibm:mcs-7815-1000:*:*:*:*:*:*:*:*
cpe:2.3:h:ibm:mcs-7815i-2.0:*:*:*:*:*:*:*:*
cpe:2.3:h:ibm:mcs-7835i-2.4:*:*:*:*:*:*:*:*
cpe:2.3:h:ibm:mcs-7835i-3.0:*:*:*:*:*:*:*:*
cpe:2.3:h:ibm:x330:8654:*:*:*:*:*:*:*
cpe:2.3:h:ibm:x330:8674:*:*:*:*:*:*:*
cpe:2.3:h:ibm:x340:*:*:*:*:*:*:*:*
cpe:2.3:h:ibm:x342:*:*:*:*:*:*:*:*
cpe:2.3:h:ibm:x345:*:*:*:*:*:*:*:*

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