CVE-2019-1887
mediumPriorität · verfolgen · 31EPSS 0.018 · 78. PerzentilEURUUSEPSS · bewertet 2026-10-27
A vulnerability in the Session Initiation Protocol (SIP) protocol implementation of Cisco Unified Communications Manager could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability is due to insufficient validation of input SIP traffic. An attacker could exploit this vulnerability by sending a malformed SIP packet to an affected Cisco Unified Communications Manager. A successful exploit could allow the attacker to trigger a new registration process on all connected phones, temporarily disrupting service.
Behebungen
Hersteller-Fix, Mitigation oder Workaround, wie von den Quellen veröffentlicht.
Ein Hersteller-Fix ist verfügbar.
- BehobenCisco Unified Communications Managercisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
cvss
Technischer Schweregrad, 0–10. Eine Zeile je Quelle.
Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen⚠ Quellen uneinig · medium–high · 5–8.6
SSVC
Eine Handlungsentscheidung — aus Ausnutzung und Auswirkung.
schwächen
Die CWE-Schwächeklassen, zu denen dies gehört.
betroffene Produkte (10)
Betroffene Produkte und Versionsbereiche.
- cisco unified communications manager= 10.5(2.10000.5)nvdUScpe:2.3:a:cisco:unified_communications_manager:*:*:*:*:*:*:*:*
- cisco unified communications manager= 11.5(1.10000.6)nvdUScpe:2.3:a:cisco:unified_communications_manager:*:*:*:*:*:*:*:*
- cisco unified communications manager= 12.0(1.10000.10)nvdUScpe:2.3:a:cisco:unified_communications_manager:*:*:*:*:*:*:*:*
- cisco unified communications manager= 12.5(1.10000.22)nvdUScpe:2.3:a:cisco:unified_communications_manager:*:*:*:*:*:*:*:*
Advisories (1)
Hersteller- und Ökosystem-Meldungen dazu.
- cisco-sa-20190703-cucm-dosCisco Unified Communications Manager Session Initiation Protocol Denial of Service Vulnerability2019-07-03csaf · cisco_csafUS
A vulnerability in the Session Initiation Protocol (SIP) protocol implementation of Cisco Unified Communications Manager and Unified Communications Manager Session Management Edition could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability is due to insufficient validation of input SIP traffic. An attacker could exploit this vulnerability by sending a malformed SIP packet to an affected Cisco Unified Communications Manager or Unified Communications Manager Session Management Edition. A successful exploit could allow the attacker to trigger a new registration process on all connected phones, temporarily disrupting service. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190703-cucm-dos ["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190703-cucm-dos"]
auch bekannt als (4)
Weitere Namen und Kennungen dieser Entität.
quellen
Welche Quellen diesen Datensatz belegen und wann.
Referenzen (8)
Externe Belege — Patches, Meldungen, Analysen.
- http://www.cisco.com/en/US/products/sw/voicesw/ps556/index.htmlcnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2019-1887cnnvd
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190703-cucm-doscnnvd
- https://vigilance.fr/vulnerability/Cisco-Unified-Communications-Manager-denial-of-service-via-SIP-29686cnnvd
- https://www.auscert.org.au/bulletins/ESB-2019.2449/cnnvd
- https://www.securityfocus.com/bid/109040cnnvd
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190703-cucm-dosenisa_euvd
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190703-cucm-dosPatchVendor Advisorynvd
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