Path traversal in SonicWall GMS
Priority MEDIUM 41CWE-22Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-22 and the CVSS impact.
Summary
SonicWall GMS is vulnerable to file path manipulation resulting that an unauthenticated attacker can gain access to web directory containing application's binaries and configuration files.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00985 62nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-20030
- 2026-10-03 Alias added: GHSA-3xqx-3w36-qfg8
References
More SonicWall Global Management System vulnerabilities
- TI-2013-01190 An Authentication Bypass Vulnerability exists in DELL SonicWALL Analyzer 7.0, Global… CVSS 3.1CRITICAL 9.8
- TI-2023-16976 Use of password hash instead of password for authentication vulnerability in SonicWall… CVSS 3.1CRITICAL 9.8
- TI-2023-16971 OS command injection in SonicWall GMS CVSS 3.1HIGH 8.8
- TI-2018-07026 Command injection in SonicWall Global Management System CVSS 3.1CRITICAL 9.8
- TI-2023-16968 Authentication bypass in SonicWall GMS CVSS 3.1CRITICAL 9.8
- TI-2023-16977 SQL injection in SonicWall GMS CVSS 3.1HIGH 7.5
Sources
- CVE-2021-20030 · CVE Program
- CVE-2021-20030 · NVD
- FIRST EPSS
- GHSA-3xqx-3w36-qfg8 · GitHub Advisory Database · CC BY 4.0
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