CVE-2016-1438 Security feature bypass in n/a
Remote attackers can bypass spam filtering on Cisco Email Security Appliances by sending crafted executable content in ZIP archives.
- 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-2016-1438?
CVE-2016-1438 is a high-severity vulnerability in Cisco Asyncos, published on 23 Jun 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Cisco AsyncOS 9.7.0-125 on Email Security Appliance (ESA) devices allows remote attackers to bypass intended spam filtering via crafted executable content in a ZIP archive, aka Bug ID CSCuy39210.
Which versions are affected by CVE-2016-1438?
It affects 1 product.
Products include Cisco Asyncos.
How do I fix CVE-2016-1438?
No fix has been published for CVE-2016-1438 yet. Limit exposure of the affected software until one is available.
Is CVE-2016-1438 being exploited?
There is no known exploitation of CVE-2016-1438 in the wild and no public exploit code.
Other vulnerabilities in Cisco Asyncos
- CVE-2025-20393 Cisco Multiple Products Improper Input Validation
- CVE-2026-76519 Cisco Secure Email Gateway Relative Path Traversal
- CVE-2026-76461 Cisco Secure Email Gateway SQL Injection
- CVE-2024-20435 Command injection in Cisco Secure Web Appliance
- CVE-2019-15956 Cisco Web Security Appliance Unauthorized Device Reset Vulnerability
Sources
Also known as GHSA-f5gp-267j-g6xq.