Cyber Resilience

CVE-2019-7481

SQLi in Sonicwall Sma 100 Firmware ≤ 9.0.0.4

CISA KEVActive ExploitationEUVD ExploitedRansomware-linkedSQLi
Published
17 December 2019
Modified
12 August 2026
KEV Added
03 November 2021
Patch / advisory
CVSS Score v3.1 7.5
Click a component to see what it means
Raw vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS Score 0.99 100.0th percentile
Risk Priority 84 floored blend · peak EPSS

Summary

CVE-2019-7481 is a high-severity SQL Injection (CWE-89) vulnerability in Sonicwall Sma 100 Firmware. Its CVSS base score is 7.5 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked in the top 0.0% of CVEs by exploit likelihood; CISA has added it to the Known Exploited Vulnerabilities catalog.

Deeper analysis AI-assisted summary

Synthesised by an AI model from the NVD description and linked references — a reading aid, not an authoritative source.

CVE-2019-7481 is a vulnerability in SonicWall SMA100 that permits an unauthenticated user to gain read-only access to unauthorized resources. The flaw affects SMA100 version 9.0.0.3 and earlier and is associated with CWE-89. It carries a CVSS 3.1 base score of 7.5 reflecting network attack vector, low complexity, no required privileges or user interaction, and high confidentiality impact with no integrity or availability effects.

An unauthenticated attacker can exploit the issue remotely to read sensitive data outside intended access boundaries. The vulnerability's characteristics enable such access without authentication, directly exposing restricted resources on affected appliances.

The SonicWall PSIRT advisory SNWLID-2019-0016 addresses the issue, and the vulnerability appears in CISA's catalog of known exploited vulnerabilities, confirming observed real-world exploitation activity.

OWASP Top 10 for Web (2025)

EU & UK References

Vulnerability Data

Vulnerability in SonicWall SMA100 allow unauthenticated user to gain read-only access to unauthorized resources. This vulnerablity impacted SMA100 version 9.0.0.3 and earlier.

CWE(s)
KEV Date Added
03 November 2021

Related Threats

MITRE ATT&CK Enterprise Techniques

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2021-20016Same product: Sonicwall Sma 100both on KEV
CVE-2021-20028Same vendor: Sonicwallboth on KEV
CVE-2023-34133Same vendor: Sonicwall
CVE-2016-2386Shared CWE-89both on KEV
CVE-2024-6670Shared CWE-89both on KEV
CVE-2024-29824Shared CWE-89both on KEV
CVE-2020-12271Shared CWE-89both on KEV
CVE-2020-29574Shared CWE-89both on KEV
CVE-2021-44026Shared CWE-89both on KEV
CVE-2024-9379Shared CWE-89both on KEV

Affected Assets

sonicwall
sma 100 firmware
≤ 9.0.0.4

Mitigating Controls

Control response

Prevent
Stop it (NIST 800-53)

Detect
Catch it (NIST detect / respond)

Harden
Shrink the surface (DISA STIG)

Validate
Prove the fix (OWASP ASVS)
  • V6.2.5

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-89

Penetration testing uses SQL injection payloads against database interfaces, identifying and supporting fixes for SQL injection weaknesses.

addresses: CWE-89

Validates query inputs to prevent SQL syntax or command manipulation.

Mitigating Controls (NIST CSF 2.0) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.

PR.PS-06 mostly match
prevents

Secure SDLC practices directly target injection flaws during coding and review so largely prevent CWE-89 introduction, yet the single broad outcome leaves residual risk from incomplete neutralization techniques or missed edge cases.

PR.AT-02 partial match
prevents

Training raises developer awareness of SQLi risks and can reduce introduction likelihood (partial) but removes none of the actual coding flaw's risk by itself since technical neutralization is still required.

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

finds

The same secure-coding and static-analysis activities surface missing neutralization of SQL metacharacters before the system is accepted.

prevents

Early warnings and shared best-practice information help organizations apply the latest remediation techniques against SQL-injection vulnerabilities.

prevents

Threat-intelligence feeds that surface new SQL-injection campaigns enable rapid updates to query-construction defenses and detection signatures before exploitation occurs.

prevents

Secure-coding rules and security testing phases mandate the use of parameterized queries or equivalent escaping, preventing the construction of dynamic SQL statements from untrusted input.

prevents

Language-specific secure coding rules, peer review and SAST together prevent the construction of SQL statements from untrusted data without proper parameterization or escaping.

References