CVE-2019-1892: high-severity vulnerability in Cisco Small Business 300 Series Managed Switches
Cisco Small Business Series Switches Memory Corruption Vulnerability
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.5epss 1.8%
A vulnerability in the Secure Sockets Layer (SSL) input packet processor of Cisco Small Business 200, 300, and 500 Series Managed Switches could allow an unauthenticated, remote attacker to cause a memory corruption on an affected device. The vulnerability is due to improper validation of HTTPS packets. An attacker could exploit this vulnerability by sending a malformed HTTPS packet to the management web interface of the affected device. A successful exploit could allow the attacker to cause an unexpected reload of the device, resulting in a denial of service (DoS) condition.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
Cisco · Cisco Small Business 300 Series Managed SwitchesRelated CVEs — Cisco Small Business 300 Series Managed Switches
In the same product, most dangerous first.
CVE-2018-15439CRITICALCisco Small Business Switches Privileged Access VulnerabilityEPSS 49.7%CVE-2019-1943MEDIUMCisco Small Business Series Switches Open Redirect VulnerabilityEPSS 9.7%CVE-2020-3147HIGHCisco Small Business Switches Denial of Service VulnerabilityEPSS 2.3%CVE-2019-1814MEDIUMCisco Small Business 300 Series Managed Switches DHCP Denial of Service VulnerabilityEPSS 2.1%CVE-2019-1891HIGHCisco Small Business Series Switches HTTP Denial of Service VulnerabilityEPSS 1.8%CVE-2018-0465—Cisco Small Business 300 Series Managed Switches Cross-Site Scripting VulnerabilityEPSS 0.8%