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Priority review Guidance Added Final

Cisco Unity Connection Multiple Vulnerabilities, CVSS 6.5

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Summary

CERT-Bund published security advisory WID-SEC-2026-1149 disclosing multiple vulnerabilities in Cisco Unity Connection (CVSS Base Score 6.5, medium). Affected versions include Cisco Unity Connection prior to 14SU6, 15SU4, and 14SU5. An attacker can exploit these flaws to conduct cross-site scripting attacks, redirect users to malicious websites, manipulate data, and disclose confidential information. Mitigations are available.

Published by CERT-Bund on wid.cert-bund.de . Detected, standardized, and enriched by GovPing. Review our methodology and editorial standards .
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What changed

CERT-Bund disclosed multiple vulnerabilities in Cisco Unity Connection, a Voicemail and Integrated Messaging product. The vulnerabilities carry a CVSS Base Score of 6.5 (medium) and CVSS Temporal Score of 5.7 (medium), with remote attack capability confirmed.

Organizations using Cisco Unity Connection should identify if they are running affected versions (prior to 14SU6, 15SU4, or 14SU5) and apply available mitigations. The vulnerabilities enable cross-site scripting attacks, user redirection to malicious sites, data manipulation, and confidential information disclosure, posing risks to both data integrity and privacy.

Archived snapshot

Apr 17, 2026

GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.

[WID-SEC-2026-1149] Cisco Unity Connection: Mehrere Schwachstellen CVSS Base Score 6.5 (mittel) CVSS Temporal Score 5.7 (mittel) Remoteangriff ja Datum 15.04.2026 Stand 16.04.2026 Mitigation ja

Betroffene Systeme

Betriebssystem

  • CISCO Appliance

Produktbeschreibung

Cisco Unity Connection ist ein umfangreiches Voicemail und Integrated-Messaging- Produkt. Mit Cisco Unity Connection können Benutzer mit dem Cisco Unified Personal Communicator auf ihre Sprachnachrichten zugreifen, das Display ihres Cisco Unified IP-Telefons nutzen, um Sprachnachrichten anzuzeigen, zu sortieren und wiederzugeben, und sogar die Sprachsteuerung von Cisco Unity Connection verwenden, um auf Cisco Unified MeetingPlace Express Meetings zuzugreifen.

Produkte

15.04.2026
- Cisco Unity Connection <14SU6

  • Cisco Unity Connection <15SU4

  • Cisco Unity Connection <14SU5

Angriff

Angriff

Ein Angreifer kann mehrere Schwachstellen in Cisco Unity Connection ausnutzen, um Cross-Site-Scripting-Angriffe durchzuführen, Benutzer auf bösartige Websites umzuleiten, Daten zu manipulieren und vertrauliche Informationen offenzulegen. CVE Informationen Versionshistorie Feedback zum Advisory geben

Named provisions

Affected Systems Product Description Attack Vector

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Source

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CERT-Bund Security Advisories wid.cert-bund.de/content/public/securityAdvisory/rss
Data Privacy & Cybersecurity

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Classification

Agency
CERT-Bund
Published
April 15th, 2026
Instrument
Guidance
Legal weight
Non-binding
Stage
Final
Change scope
Substantive
Document ID
WID-SEC-2026-1149

Who this affects

Applies to
Technology companies Telecommunications firms
Industry sector
5170 Telecommunications
Activity scope
Vulnerability disclosure Security advisory Patch management
Geographic scope
Germany DE

Taxonomy

Primary area
Cybersecurity
Operational domain
IT Security
Compliance frameworks
NIST CSF
Topics
Telecommunications Data Privacy

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