Security readout for executives and security teams
CVE-2018-0325 can let a remote, unauthenticated attacker disrupt individual Cisco 7800 and 8800 Series IP phones. A malformed SIP message can restart the phone’s SIP process and drop active calls, creating a denial-of-service condition for that endpoint. Exposure is limited to Cisco IP Phone 7800 and 8800 Series phones where SIP traffic can reach the device. Business impact is highest in call centers, emergency response workflows, and operational teams dependent on uninterrupted voice calls. Treat as a targeted availability risk, not a data theft issue. Prioritize environments where dropped calls create operational, customer-service, or safety impact, and confirm Cisco remediation guidance before scheduling changes. Mitigation focus: Review Cisco’s advisory for affected releases and vendor-recommended fixed software.; Inventory Cisco 7800 and 8800 Series phones using SIP call handling.; Restrict SIP traffic to trusted voice infrastructure where operationally possible..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180516-ip-phone-dosCVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
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Improper Input Validation
Improper Input Validation represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.