Security readout for executives and security teams
This Cisco flaw can block new user logins to affected communications services by crashing and restarting the authentication service. It does not affect users already authenticated before an attack. Business impact is availability loss for collaboration or video services, not data theft, based on the provided sources. Exposure is most likely where Cisco Unified CM IM&P, TelePresence VCS, or Expressway authentication services are reachable by users, partners, or the internet. The source bundle does not provide exact affected versions, so teams must verify installed releases against Cisco guidance. Treat as high priority where affected Cisco communications systems support business-critical login, messaging, or video workflows. The risk is operational disruption rather than confidentiality loss. Prioritize exposed systems first, and confirm Cisco-supported fixes before deploying changes. Mitigation focus: Review Cisco advisory for affected releases, fixed software, and any vendor workarounds.; Prioritize remediation for internet-facing or partner-facing Cisco communications systems.; Reduce authentication service exposure where vendor guidance and business requirements allow..
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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Open ATT&CK lookupCVE-2019-1845 mapping review
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Open ATT&CK lookup- Severity
- High
- CVSS
- 8.6 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H3.94Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
8.6HighVector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Source materials
- CVE List V5 sourceCVE List V5
- 20190605 Cisco Unified Communications Manager IM&P Service, Cisco TelePresence VCS, and Cisco Expressway Series Denial of Service VulnerabilityCVE reference · vendor-advisory, x_refsource_CISCO
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.
Improper Input Validation
Improper Input Validation represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.