CVE-2020-3368
Cisco Email Security Appliance URL Filtering Bypass Vulnerability
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
0Exploited in Wild
-Decision
Descriptions
A vulnerability in the antispam protection mechanisms of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to bypass the URL reputation filters on an affected device. The vulnerability is due to insufficient input validation of URLs. An attacker could exploit this vulnerability by crafting the URL in a particular way. A successful exploit could allow the attacker to bypass the URL reputation filters that are configured for the affected device, which could allow malicious URLs to pass through the device.
Una vulnerabilidad en los mecanismos de protección antispam de Cisco AsyncOS Software para Cisco Email Security Appliance (ESA), podría permitir a un atacante remoto no autenticado omitir los filtros de reputación de URL sobre un dispositivo afectado. La vulnerabilidad es debido a una comprobación de entrada insuficiente de las URL. Un atacante podría explotar esta vulnerabilidad al diseñar la URL de una manera particular. Una explotación con éxito podría permitir al atacante omitir los filtros de reputación de URL configurados para el dispositivo afectado, lo que podría permitir que las URL maliciosas pasen por medio del dispositivo
CVSS Scores
SSVC
- Decision:Attend
Timeline
- 2019-12-12 CVE Reserved
- 2020-06-18 CVE Published
- 2023-03-07 EPSS Updated
- 2024-11-15 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-20: Improper Input Validation
CAPEC
References (1)
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Affected Vendors, Products, and Versions
Vendor | Product | Version | Other | Status | ||||||
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Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
Cisco Search vendor "Cisco" | Asyncos Search vendor "Cisco" for product "Asyncos" | < 13.5.0 Search vendor "Cisco" for product "Asyncos" and version " < 13.5.0" | - |
Affected
| in | Cisco Search vendor "Cisco" | Email Security Appliance Search vendor "Cisco" for product "Email Security Appliance" | - | - |
Safe
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