Vulnerability Details : CVE-2018-0419
A vulnerability in certain attachment detection mechanisms of Cisco Email Security Appliances (ESA) could allow an unauthenticated, remote attacker to bypass the filtering functionality of an affected system. The vulnerability is due to the improper detection of content within executable (EXE) files. An attacker could exploit this vulnerability by sending a customized EXE file that is not recognized and blocked by the ESA. A successful exploit could allow an attacker to send email messages that contain malicious executable files to unsuspecting users. Cisco Bug IDs: CSCvh03786.
Vulnerability category: Input validation
Products affected by CVE-2018-0419
- cpe:2.3:a:cisco:email_security_appliance:-:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-0419
0.16%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 51 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-0419
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:P/A:N |
8.6
|
2.9
|
NIST | |
7.5
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2018-0419
-
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-2018-0419
-
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180815-esa-file-bypass
Cisco Email Security Appliance EXE File Scanning Bypass VulnerabilityVendor Advisory
-
http://www.securityfocus.com/bid/105112
Cisco Email Security Appliance EXE File Scanning CVE-2018-0419 Remote Security Bypass VulnerabilityThird Party Advisory;VDB Entry
-
http://www.securitytracker.com/id/1041531
Cisco Email Security Appliance Executable File Detection Bug Lets Remote Users Bypass Security Filtering on the Target System - SecurityTrackerThird Party Advisory;VDB Entry
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