CVE-2019-1884
7.7 · HIGHOverview
CVE-2019-1884 is a high-severity vulnerability affecting cisco asyncos. It was published on July 4, 2019 and has a CVSS 3.0 base score of 7.7 (HIGH).
This vulnerability has a CVSS 3.0 base score of 7.7, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
A vulnerability in the web proxy functionality of Cisco AsyncOS Software for Cisco Web Security Appliance (WSA) could allow an authenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to insufficient input validation mechanisms for certain fields in HTTP/HTTPS requests sent through an affected device. A successful attacker could exploit this vulnerability by sending a malicious HTTP/HTTPS request through an affected device. An exploit could allow the attacker to force the device to stop processing traffic, resulting in a DoS condition.
Remediation
Check the references section for vendor advisories and patches from cisco. Update asyncos to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| cisco | asyncos | >= 10.1, < 10.5.5-005 | Affected |
Frequently Asked Questions
What is CVE-2019-1884?
CVE-2019-1884 is a high-severity vulnerability affecting cisco asyncos. It was published on July 4, 2019 and has a CVSS 3.0 base score of 7.7 (HIGH).
How severe is CVE-2019-1884?
This vulnerability has a CVSS 3.0 base score of 7.7, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2019-1884?
Check the references section for vendor advisories and patches from cisco. Update asyncos to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2019-1884?
CyberStrike's AI-powered security agents can automatically detect CVE-2019-1884 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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Browser-based exploitation validates findings with real proof-of-concept.
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