Security readout for executives and security teams
Plain-English summary
This SonicWall SMA100 flaw can let an unauthenticated remote attacker read resources they should not access. It affects version 9.0.0.3 and earlier. Because CISA lists the vulnerability as known exploited, exposed legacy appliances should be treated as an urgent confidentiality risk.
Executive priority
Prioritize immediate inventory and remediation of affected, externally reachable appliances. CISA KEV status elevates this beyond a theoretical weakness. If an affected appliance was exposed, initiate focused log review and incident triage because unauthorized data access may not alter systems or disrupt service.
Technical view
CVE-2019-7481 is a network-accessible, low-complexity vulnerability requiring neither privileges nor user interaction. It is classified as CWE-89 and carries CVSS 3.1 score 7.5. The documented impact is high confidentiality loss through unauthorized read-only access; the supplied vector indicates no integrity or availability impact.
Likely exposure
Organizations running SonicWall SMA100 version 9.0.0.3 or earlier are affected. Risk is greatest where the appliance is reachable from untrusted networks. The bundle does not identify later affected versions, configuration prerequisites, or specific exposed resources.
Exploitation context
CISA KEV inclusion supports that this vulnerability has been exploited in the wild. The supplied sources do not describe exploitation prevalence, targeted organizations, attack indicators, or whether exploitation remains ongoing. No exploit mechanics should be inferred from the CWE classification alone.
Researcher notes
The evidence supports unauthenticated network access, high confidentiality impact, affected versions through 9.0.0.3, and known exploitation. It does not identify exposed resource types, root cause details beyond CWE-89, indicators of compromise, exploit prerequisites beyond the CVSS vector, or a specific fixed version.
Mitigation direction
- Identify and prioritize every SMA100 appliance running version 9.0.0.3 or earlier.
- Check SonicWall advisory SNWLID-2019-0016 for the vendor-supported remediation or upgrade path.
- Restrict untrusted network access until vendor remediation is confirmed.
- Preserve relevant appliance and access logs for incident review.
Validation and detection
- Verify each SMA100 appliance model, software version, and network exposure.
- Confirm affected systems no longer run version 9.0.0.3 or earlier after remediation.
- Review logs for suspicious unauthenticated access or unexpected resource reads.
- Validate access controls from an authorized test environment without attempting exploitation.
- Confirm remediation status against SonicWall's current advisory guidance.
Public sources used
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
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-89: Database access and collection lookup
Injection into data stores can inform collection, data access, and exfiltration detection reviews. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2019-7481 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.5 (3.1)
- Known Exploited
- Yes
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
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.
CISA KEV status
SSVC decision data
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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N3.93.6CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
7.5HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- Added to KEVCISA-ADP
CISA Known Exploited Vulnerabilities metadata lists this CVE as known exploited.
- ADP timelineCISA-ADP
CVE-2019-7481 added to CISA KEV
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
- 2021-11-03T00:00:00.000Z: CVE-2019-7481 added to CISA KEV
Source materials
- CVE List V5 sourceCVE List V5
- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0016CVE reference, sonicwall · x_refsource_CONFIRM
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-7481CVE reference, CISA-ADP · government-resource
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 Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.