CVE-2019-1982 Cisco Firepower Threat Defense Software HTTP Filtering Bypass Vulnerability
Unauthenticated remote attackers can bypass HTTP filtering protections on Cisco Firepower devices by sending maliciously crafted headers, delivering blocked content to protected systems.
- 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-2019-1982?
CVE-2019-1982 is a medium-severity vulnerability in Cisco Secure Firewall Management Center, published on 5 Nov 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability in the HTTP traffic filtering component of Cisco Firepower Threat Defense Software, Cisco FirePOWER Services Software for ASA, and Cisco Firepower Management Center Software could allow an unauthenticated, remote attacker to bypass filtering protections. The vulnerability is due to improper handling of HTTP requests, including those communicated over a secure HTTPS connection, that contain maliciously crafted headers. An attacker could exploit this vulnerability by sending malicious requests to an affected device. An exploit could allow the attacker to bypass filtering and deliver malicious requests to protected systems, allowing attackers to deliver malicious content that would otherwise be blocked.
Which versions are affected by CVE-2019-1982?
It affects 3 products.
Products include Cisco Firepower Services Software for Asa, Cisco Secure Firewall Management Center, Cisco Secure Firewall Threat Defense.
How do I fix CVE-2019-1982?
No fix has been published for CVE-2019-1982 yet. Limit exposure of the affected software until one is available.
Is CVE-2019-1982 being exploited?
There is no known exploitation of CVE-2019-1982 in the wild and no public exploit code.
Other vulnerabilities in Cisco Secure Firewall Management Center
- CVE-2022-20918 Hardcoded credentials in Cisco FirePOWER Services Software for ASA
- CVE-2019-1978 Cisco Firepower Threat Defense Software Stream Reassembly Bypass Vulnerability
- CVE-2019-1980 Cisco Firepower Threat Defense Software Nonstandard Protocol Detection Bypass Vulnerability
- CVE-2019-1981 Cisco Firepower Threat Defense Software NULL Character Obfuscation Detection Bypass Vulnerability
Sources
Also known as GHSA-fjww-f977-qh4x.