Sonicos
CVE-2020-5141
MEDIUM
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A06:2025 - Insecure Design
ASVS 5.0
V2 - Validation and Business Logic Interaction frequency control
|
| Impact | CVSS score of 6.5 (MEDIUM). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. |
| Exploit ScenarioDerived | This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the medium-severity affected system. |
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Alert meAnalysisAI
A vulnerability in SonicOS allows a remote unauthenticated attacker to brute force Virtual Assist ticket ID in the firewall SSLVPN service. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
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Technical ContextAI · show details
This vulnerability is classified under CWE-799. A vulnerability in SonicOS allows a remote unauthenticated attacker to brute force Virtual Assist ticket ID in the firewall SSLVPN service. This vulnerability affected SonicOS Gen 5 version 5.9.1.7, 5.9.1.13, Gen 6 version 6.5.4.7, 6.5.1.12, 6.0.5.3, SonicOSv 6.5.4.v and Gen 7 version SonicOS 7.0.0.0. Affected products include: Sonicwall Sonicos, Sonicwall Sonicosv. Version information: version 5.9.1.7.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
A vulnerability in SonicOS allows a remote unauthenticated attacker to brute force Virtual Assist ticket ID in the firewall SSLVPN service. This vulnerability affected SonicOS Gen 5 version 5.9.1.7, 5.9.1.13, Gen 6 version 6.5.4.7, 6.5.1.12, 6.0.5.3, SonicOSv 6.5.4.v and Gen 7 version SonicOS 7.0.0.0.
Threat Intelligence Overview
NVD
CVE.org
EPSS
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.
Affected Products (CPE)NVD
SonicWall SonicOS SSLVPN contains an authentication bypass vulnerability allowing remote attackers to bypass authenticat
An improper access control vulnerability has been identified in the SonicWall SonicOS management access, potentially lea
An OpenSSL TLS server may crash if sent a maliciously crafted renegotiation ClientHello message from a client. Rated med
RADIUS Protocol under RFC 2865 is susceptible to forgery attacks by a local attacker who can modify any valid Response (
Wind River VxWorks has a Buffer Overflow in the TCP component (issue 1 of 4). Rated critical severity (CVSS 9.8), this v
Wind River VxWorks 6.6 through vx7 has Session Fixation in the TCP component. Rated high severity (CVSS 7.5), this vulne
The X509_V_FLAG_X509_STRICT flag enables additional security checks of the certificates present in a certificate chain.
A Host Header Redirection vulnerability in SonicOS potentially allows a remote attacker to redirect firewall management
An improper authentication vulnerability has been identified in SonicWall SonicOS SSL-VPN feature, which in specific con
A Stack-based buffer overflow vulnerability in the SonicOS via HTTP request allows a remote unauthenticated attacker to
A buffer overflow vulnerability in SonicOS allows a remote attacker to cause Denial of Service (DoS) and potentially exe
Wind River VxWorks 6.7 though 6.9 and vx7 has a Buffer Overflow in the TCP component (issue 3 of 4). Rated critical seve
GitHub PoC
Exploit-DB