Security readout for executives and security teams
Cisco video communication servers can be remotely crashed through a flaw in how they parse certain call media data. The business impact is service interruption, not data theft, based on the supplied sources. Systems running Cisco Expressway or TelePresence VCS before X8.8.2 should be upgraded. Exposure is most likely where Cisco Expressway Series or Cisco TelePresence VCS handle H.323 calls, especially if reachable from external partners or the internet. Only versions before X8.8.2 are identified as affected in the supplied bundle. Treat this as a service availability risk for video communication infrastructure. It does not indicate data compromise in the supplied sources, but unauthenticated remote DoS against exposed systems can disrupt meetings, partner connectivity, and support operations. Patch vulnerable systems through normal emergency or priority maintenance processes. Mitigation focus: Upgrade Cisco Expressway Series and TelePresence VCS to X8.8.2 or later.; Prioritize externally reachable or business-critical video communication systems.; Review Cisco advisory guidance before scheduling remediation..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CWE-399: Exact CWE lookup
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Open ATT&CK lookupCVE-2017-3790 mapping review
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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-20170125-expresswayCVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Resource Management Errors
Resource Management Errors represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.