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high·Product Based Web Vulnerabilities·Updated Dec 16, 2023

CVE-2018-0296 Scanner

CVE-2018-0296 scanner - Directory Traversal vulnerability in Cisco Adaptive Security Appliance (ASA) Software

Est. Time~15 seconds
Scan TypeSingle Scan
Targetsurl
CostFree
3k
Times Used
continuous scan runs
4.1k
Continuously Checked
assets under CS
0
Vulnerabilities Found
confirmed findings
References
🔴
CISA Known Exploited Vulnerability
This CVE is actively exploited in the wild. CISA mandates federal agencies to patch immediately.
CVECVE-2018-0296
7.5
CVSShigh
Exploitable remotely over the internet · no authentication required.

A vulnerability in the web interface of the Cisco Adaptive Security Appliance (ASA) could allow an unauthenticated, remote attacker to cause an affected device to reload unexpectedly, resulting in a denial of service (DoS) condition. It is also possible on certain software releases that the ASA will not reload, but an attacker could view sensitive system information without authentication by using directory traversal techniques. The vulnerability is due to lack of proper input validation of the HTTP URL. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. An exploit could allow the attacker to cause a DoS condition or unauthenticated disclosure of information. This vulnerability applies to IPv4 and IPv6 HTTP traffic. This vulnerability affects Cisco ASA Software and Cisco Firepower Threat Defense (FTD) Software that is running on the following Cisco products: 3000 Series Industrial Security Appliance (ISA), ASA 1000V Cloud Firewall, ASA 5500 Series Adaptive Security Appliances, ASA 5500-X Series Next-Generation Firewalls, ASA Services Module for Cisco Catalyst 6500 Series Switches and Cisco 7600 Series Routers, Adaptive Security Virtual Appliance (ASAv), Firepower 2100 Series Security Appliance, Firepower 4100 Series Security Appliance, Firepower 9300 ASA Security Module, FTD Virtual (FTDv). Cisco Bug IDs: CSCvi16029.

Attack Vector
Network
Privileges Req.
None
User Interaction
None
Affected
Cisco Adaptive Security Appliance unknownby n/a
Cisco Adaptive Security Appliance unknown
Updated Aug 18, 2026View on NVD →
Detail

The Cisco Adaptive Security Appliance (ASA) software is a security system designed to protect network infrastructures against various cyber threats. It functions as a firewall, virtual private network (VPN), and intrusion prevention system (IPS). The ASA software is commonly used in large organizations such as government bodies, financial institutions, and multinational corporations. This software is critical in ensuring the security of sensitive data, intellectual property, and the overall integrity of a company's digital assets.

One critical vulnerability was detected in the Cisco ASA software, identified as CVE-2018-0296. This vulnerability arises due to inadequate input validation of the HTTP URL. An unauthenticated attacker could exploit this vulnerability by sending a specially crafted HTTP request to the target device, leading to an unexpected device reload or unauthorized access to sensitive system information.

When exploited, this vulnerability can lead to a denial of service (DoS) attack, resulting in system downtime, network unavailability, and loss of productivity. Alternatively, the attacker could obtain sensitive system information from the device without authentication, posing a severe threat to the confidentiality and integrity of the organization's data. Potential consequences of a successful attack could include financial losses, reputational damage, and regulatory non-compliance.

In conclusion, Cybersecurity is of utmost importance in today's digital landscape. Awareness of the latest vulnerabilities and proactive measures is crucial in mitigating cyber threats. Platforms such as s4e.io provide valuable resources for individuals and organizations to stay informed about the risks facing their digital assets. By leveraging these tools, readers can quickly identify and protect against security vulnerabilities such as CVE-2018-0296 in the Cisco ASA software.

 

REFERENCES

Solution Advice

To protect against this vulnerability, Cisco recommends the following measures:

  • Install and upgrade to the latest available software versions that include updates to address this vulnerability.
  • Restrict access to the affected device's web interface, limiting it only to trusted networks or authorized personnel.
  • Implement intrusion prevention and detection systems (IPS/IDS) to detect and prevent attacks targeting this vulnerability.
  • Monitor network traffic for unusual patterns or HTTP requests indicative of an attack.

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CVE-2018-0296 scanner - Directory Traversal vulnerability in Cisco Adaptive Security Appliance (ASA) Software | S4E