Improper authentication in SonicWall Global Management System
Priority MEDIUM 49CWE-287Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-287.
Summary
A command execution vulnerability in SonicWall GMS 9.3 allows a remote unauthenticated attacker to locally escalate privilege to root.
Why it matters now
EPSS 0.03862 90th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-20020
- 2026-10-03 Alias added: GHSA-r5rf-xw5q-xf24
- 2026-10-30 EPSS moved to the 90th–95th percentile
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-2021-20020 · CVE Program
- CVE-2021-20020 · NVD
- FIRST EPSS
- GHSA-r5rf-xw5q-xf24 · GitHub Advisory Database · CC BY 4.0
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