CVE-2020-3147

Cisco Small Business Switches Denial of Service Vulnerability

Description

A vulnerability in the web UI of Cisco Small Business 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. This vulnerability affects firmware releases prior than 1.3.7.18

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 4.10% Top 15%
Vendor Advisory cisco.com
Affected: Cisco Cisco Small Business 300 Series Managed Switches
Published at:
Updated at:

References

Link Tags
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-smlbus-switch-dos-R6VquS2u vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-3147?
CVE-2020-3147 has been scored as a high severity vulnerability.
How to fix CVE-2020-3147?
To fix CVE-2020-3147, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-3147 being actively exploited in the wild?
It is possible that CVE-2020-3147 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~4% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-3147?
CVE-2020-3147 affects Cisco Cisco Small Business 300 Series Managed Switches.
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