Security readout for executives and security teams
This flaw lets an unauthenticated remote attacker reach the web management interface of affected Cisco Small Business 220 switches and upload files without proper authorization. A successful attack could change switch configuration or place a reverse shell, creating serious network control and availability risk. Exposure is limited to Cisco Small Business 220 Series Smart Switches on firmware before 1.1.4.4 where HTTP or HTTPS web management is reachable. Risk is highest when management interfaces are exposed beyond trusted administration networks. Treat this as urgent for any Cisco 220 switch with reachable web management. The business risk is unauthorized network device control, configuration tampering, and disruption. Patch or isolate affected management interfaces promptly, especially if exposed outside dedicated admin networks. Mitigation focus: Upgrade affected switches to firmware 1.1.4.4 or later per Cisco guidance.; Restrict web management access to trusted administrative networks only.; Disable web management where it is not operationally required..
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-285: Exact CWE lookup
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Open ATT&CK lookupCredential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2019-1912 mapping review
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Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.1 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
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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:U/C:N/I:H/A:H3.95.2Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
9.1CriticalVector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- 20190806 Cisco Small Business 220 Series Smart Switches Authentication Bypass 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 Authorization
Improper Authorization represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.