CVE-2019-1980 : What You Need to Know
Learn about CVE-2019-1980, a vulnerability in Cisco Firepower Threat Defense Software that allows attackers to bypass filtering protections. Find mitigation steps and technical details here.
A vulnerability in Cisco Firepower Threat Defense Software allows unauthorized remote attackers to bypass filtering protections by exploiting a flaw in protocol detection.
Understanding CVE-2019-1980
This CVE identifies a vulnerability in Cisco Firepower Threat Defense Software that could enable attackers to evade filtering protections.
What is CVE-2019-1980?
The flaw in Cisco Firepower Threat Defense Software allows attackers to bypass filtering measures by incorrectly identifying the initial use of a protocol on a nonstandard port.
The Impact of CVE-2019-1980
Successful exploitation of this vulnerability could allow attackers to send malicious requests to protected systems, bypassing filtering measures.
Technical Details of CVE-2019-1980
This section provides technical details about the vulnerability.
Vulnerability Description
The vulnerability arises from the incorrect identification of the initial use of a protocol on a nonstandard port in Cisco Firepower Threat Defense Software.
Affected Systems and Versions
- Product: Cisco Firepower Threat Defense Software
- Vendor: Cisco
- Version: Unspecified
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Network
- Base Score: 5.8 (Medium)
- Privileges Required: None
- Scope: Changed
- Vector String: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
Mitigation and Prevention
Steps to address and prevent the vulnerability.
Immediate Steps to Take
- Apply vendor 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
- Refer to the vendor's security advisory for patching instructions and updates.