CVE-2019-1982 : Vulnerability Insights and Analysis
Learn about CVE-2019-1982, a vulnerability in Cisco Firepower Threat Defense Software allowing attackers to bypass filtering protections. Find mitigation steps and long-term security practices here.
Cisco Firepower Threat Defense Software HTTP Filtering Bypass Vulnerability
Understanding CVE-2019-1982
This CVE involves a weakness in the HTTP traffic filtering component of Cisco Firepower Threat Defense Software, Cisco FirePOWER Services Software for ASA, and Cisco Firepower Management Center Software.
What is CVE-2019-1982?
The vulnerability allows an unauthenticated remote attacker to bypass filtering protections by sending malicious requests with altered headers.
The Impact of CVE-2019-1982
- Attackers can circumvent protection measures and deliver harmful requests to protected systems.
- Exploiting this vulnerability could lead to the distribution of blocked content.
Technical Details of CVE-2019-1982
The vulnerability has a CVSS base score of 5.8, indicating a medium severity issue.
Vulnerability Description
- Improper handling of HTTP requests, even over secure connections, allows attackers to bypass filtering.
Affected Systems and Versions
- Product: Cisco Firepower Management Center
- Vendor: Cisco
- Versions: Unspecified
Exploitation Mechanism
- Attackers exploit the vulnerability by sending harmful requests to affected devices.
Mitigation and Prevention
It is crucial to take immediate steps to address and prevent exploitation of this vulnerability.
Immediate Steps to Take
- Apply vendor-provided patches and updates promptly.
- Monitor network traffic for any suspicious activity.
Long-Term Security Practices
- Regularly update and patch all software and systems.
- Implement network segmentation to limit the impact of potential attacks.
Patching and Updates
- Regularly check for security advisories and updates from Cisco.