CVE-2018-0419 Security feature bypass in Email Security Appliance (ESA)
An attacker can bypass email filtering to deliver malicious executable files to users by exploiting improper detection mechanisms in Cisco ESA.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-0419?
CVE-2018-0419 is a high-severity vulnerability in Cisco Email Security Appliance, published on 15 Aug 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-20
Which versions are affected by CVE-2018-0419?
It affects 1 product.
Products include Cisco Email Security Appliance.
How do I fix CVE-2018-0419?
No fix has been published for CVE-2018-0419 yet. Limit exposure of the affected software until one is available.
Is CVE-2018-0419 being exploited?
There is no known exploitation of CVE-2018-0419 in the wild and no public exploit code.
Other vulnerabilities in Cisco Email Security Appliance
- CVE-2022-20798 Cisco Email Security Appliance and Cisco Secure Email and Web Manager External Authentication Bypass Vulnerability
- CVE-2015-6291 Denial of service in n/a
- CVE-2022-20664 Cisco Email Security Appliance and Cisco Secure Email and Web Manager Information Disclosure Vulnerability
- CVE-2022-20960 Denial of service in Cisco Secure Email
- CVE-2016-1480 Security feature bypass in Cisco AsyncOS through WSA10.0.0-000
Sources
Also known as GHSA-g9w9-vxph-q937.