CVE-2020-3315 Multiple Cisco Products Snort HTTP Detection Engine File Policy Bypass Vulnerability
Remote attackers can bypass file policies in Cisco Snort engines via crafted HTTP packets, delivering malicious payloads to protected networks.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-3315?
CVE-2020-3315 is a medium-severity vulnerability in Cisco Ios, published on 6 May 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Multiple Cisco products are affected by a vulnerability in the Snort detection engine that could allow an unauthenticated, remote attacker to bypass the configured file policies on an affected system. The vulnerability is due to errors in how the Snort detection engine handles specific HTTP responses. An attacker could exploit this vulnerability by sending crafted HTTP packets that would flow through an affected system. A successful exploit could allow the attacker to bypass the configured file policies and deliver a malicious payload to the protected network.
Which versions are affected by CVE-2020-3315?
It affects 3 products.
Products include Cisco Ios, Cisco Secure Firewall Management Center, Cisco Secure Firewall Threat Defense.
How do I fix CVE-2020-3315?
Apply the vendor's patch.
Is CVE-2020-3315 being exploited?
There is no known exploitation of CVE-2020-3315 in the wild and no public exploit code.
Other vulnerabilities in Cisco Ios
- CVE-2017-12240 Cisco IOS and IOS XE Software DHCP Remote Code Execution
- CVE-2017-3881 Cisco IOS and IOS XE Remote Code Execution
- CVE-2018-0167 Cisco IOS, XR, and XE Software Buffer Overflow
- CVE-2017-6736 Cisco IOS and IOS XE Software SNMP Remote Code Execution
- CVE-2017-6737 Cisco IOS and IOS XE Software SNMP Remote Code Execution
Sources
Also known as GHSA-m4mg-49c8-xj46, UBUNTU-CVE-2020-3315.