FKIE_CVE-2009-0057
Vulnerability from fkie_nvd - Published: 2009-01-22 18:30 - Updated: 2026-06-16 23:04
Severity
Summary
The Certificate Authority Proxy Function (CAPF) service in Cisco Unified Communications Manager 5.x before 5.1(3e) and 6.x before 6.1(3) allows remote attackers to cause a denial of service (voice service outage) by sending malformed input over a TCP session in which the "client terminates prematurely."
References
Impacted products
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{
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"versions": [
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"source": "psirt@cisco.com"
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"negate": false,
"operator": "OR"
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"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "The Certificate Authority Proxy Function (CAPF) service in Cisco Unified Communications Manager 5.x before 5.1(3e) and 6.x before 6.1(3) allows remote attackers to cause a denial of service (voice service outage) by sending malformed input over a TCP session in which the \"client terminates prematurely.\""
},
{
"lang": "es",
"value": "El servicio Certificate Authority Proxy Function (CAPF) en Cisco Unified Communications Manager 5.x antes de 5.1(3e) y 6.x antes de 6.1(3) permite a atacantes remotos provocar una denegaci\u00f3n de servicio (parada del servicio de voz) mediante el env\u00edo de entradas malformadas sobre una sesi\u00f3n TCP en la que el \"cliente termina prematuramente.\""
}
],
"id": "CVE-2009-0057",
"lastModified": "2026-06-16T23:04:10.930",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.3,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2009-01-22T18:30:03.813",
"references": [
{
"source": "psirt@cisco.com",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/33588"
},
{
"source": "psirt@cisco.com",
"tags": [
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"url": "http://www.cisco.com/en/US/products/products_security_advisory09186a0080a61928.shtml"
},
{
"source": "psirt@cisco.com",
"url": "http://www.securityfocus.com/bid/33379"
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{
"source": "psirt@cisco.com",
"url": "http://www.securitytracker.com/id?1021620"
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{
"source": "psirt@cisco.com",
"url": "http://www.vupen.com/english/advisories/2009/0213"
},
{
"source": "psirt@cisco.com",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/48139"
},
{
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"tags": [
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"url": "http://secunia.com/advisories/33588"
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"url": "http://www.securityfocus.com/bid/33379"
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"url": "http://www.vupen.com/english/advisories/2009/0213"
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{
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"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/48139"
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],
"sourceIdentifier": "psirt@cisco.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-20"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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