CVE-2019-1891
7.5 · HIGHOverview
CVE-2019-1891 is a high-severity vulnerability affecting cisco sf200-24_firmware. It was published on July 6, 2019 and has a CVSS 3.0 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
A vulnerability in the web interface of Cisco Small Business 200, 300, and 500 Series Managed Switches could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to improper validation of requests sent to the web interface. An attacker could exploit this vulnerability by sending a malicious request to the web interface of an affected device. A successful exploit could allow the attacker to cause an unexpected reload of the device, resulting in a DoS condition.
Remediation
Check the references section for vendor advisories and patches from cisco. Update sf200-24_firmware 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 | sf200-24_firmware | >= 0, < 1.4.10.6 | Affected |
| cisco | sf200-24p_firmware | >= 0, < 1.4.10.6 | Affected |
| cisco | sf200-48_firmware | >= 0, < 1.4.10.6 | Affected |
| cisco | sf200-48p_firmware | >= 0, < 1.4.10.6 | Affected |
| cisco | sg200-18_firmware | >= 0, < 1.4.10.6 | Affected |
| cisco | sg200-26_firmware | >= 0, < 1.4.10.6 | Affected |
| cisco | sg200-26p_firmware | >= 0, < 1.4.10.6 | Affected |
| cisco | sg200-50_firmware | >= 0, < 1.4.10.6 | Affected |
| cisco | sg200-50p_firmware | >= 0, < 1.4.10.6 | Affected |
| cisco | sg300-10_firmware | >= 0, < 1.4.10.6 | Affected |
Frequently Asked Questions
What is CVE-2019-1891?
CVE-2019-1891 is a high-severity vulnerability affecting cisco sf200-24_firmware. It was published on July 6, 2019 and has a CVSS 3.0 base score of 7.5 (HIGH).
How severe is CVE-2019-1891?
This vulnerability has a CVSS 3.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2019-1891?
Check the references section for vendor advisories and patches from cisco. Update sf200-24_firmware 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-2019-1891?
CyberStrike's AI-powered security agents can automatically detect CVE-2019-1891 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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