Security readout for executives and security teams
CVE-2019-1796 can make affected Cisco Wireless LAN Controllers reload and disrupt wireless service. The attacker does not need credentials, but must be adjacent to the target network path. The business impact is availability: users may lose Wi-Fi connectivity until controllers recover or are fixed. Exposure is likely limited to organizations running Cisco Wireless LAN Controller Software before the fixed versions. Because the CVSS attack vector is adjacent, this is not described as internet-remote in the source bundle, but it matters for campus, branch, and wireless-adjacent networks. Treat this as a high-priority availability risk for environments still using affected Cisco WLC releases. It is less urgent than a proven internet-exploited takeover issue, but wireless outages can create broad operational disruption, especially at large offices, campuses, and customer-facing sites. Mitigation focus: Upgrade affected Cisco WLC Software to a fixed train: 8.2.170.0, 8.5.150.0, 8.8.100.0, or later.; Review Cisco’s advisory for model-specific upgrade guidance and any operational caveats.; Prioritize controllers supporting critical sites, guest wireless, or revenue-impacting operations..
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-2019-1796 mapping review
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Open ATT&CK lookup- Severity
- High
- CVSS
- 7.4 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:A/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:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H2.84Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
7.4HighVector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Source materials
- CVE List V5 sourceCVE List V5
- 20190417 Cisco Wireless LAN Controller Software IAPP Message Handling Denial of Service VulnerabilitiesCVE 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.
Resource Management Errors
Resource Management Errors represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.