Vulnerability Details : CVE-2020-3370
A vulnerability in URL filtering of Cisco Content Security Management Appliance (SMA) could allow an unauthenticated, remote attacker to bypass URL filtering on an affected device. The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending a crafted, malicious HTTP request to an affected device. A successful exploit could allow the attacker to redirect users to malicious sites.
Vulnerability category: Input validation
Exploit prediction scoring system (EPSS) score for CVE-2020-3370
Probability of exploitation activity in the next 30 days: 0.13%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 47 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2020-3370
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:P/A:N |
10.0
|
2.9
|
NIST |
|
4.0
|
MEDIUM | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N |
2.2
|
1.4
|
Cisco Systems, Inc. |
|
5.8
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N |
3.9
|
1.4
|
NIST |
CWE ids for CVE-2020-3370
-
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by:
- nvd@nist.gov (Primary)
- ykramarz@cisco.com (Secondary)
References for CVE-2020-3370
-
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ESA-filt-39jXvMfM
Cisco Email Security Appliance Filter Bypass VulnerabilityVendor Advisory
Products affected by CVE-2020-3370
- cpe:2.3:a:cisco:email_security_appliance:*:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:email_security_appliance:*:*:*:*:*:*:*:*