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CVE-2020-3147

HIGHCVSS 7.5/10EPSS 2.28%

Last modified

CVE-2020-3147 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. EPSS estimates a 2.28% chance of exploitation in the next 30 days.

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

Metrics

CVSS 3.1
7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability
2.28%

80.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CiscoSg200-50 Firmware< 1.3.7.18
CiscoSg200-50p Firmware< 1.3.7.18
CiscoSg200-50fp Firmware< 1.3.7.18
CiscoSg200-26 Firmware< 1.3.7.18
CiscoSg200-26p Firmware< 1.3.7.18
CiscoSg200-26fp Firmware< 1.3.7.18
CiscoSg200-18 Firmware< 1.3.7.18
CiscoSg200-10fp Firmware< 1.3.7.18
CiscoSg200-08 Firmware< 1.3.7.18
CiscoSg200-08p Firmware< 1.3.7.18
CiscoSg200-24 Firmware< 1.3.7.18
CiscoSg200-24p Firmware< 1.3.7.18
CiscoSg200-24fp Firmware< 1.3.7.18
CiscoSg200-48 Firmware< 1.3.7.18
CiscoSg200-48p Firmware< 1.3.7.18
CiscoSf302-08pp Firmware< 1.3.7.18
CiscoSf302-08mpp Firmware< 1.3.7.18
CiscoSg300-10pp Firmware< 1.3.7.18
CiscoSg300-10mpp Firmware< 1.3.7.18
CiscoSf300-24pp Firmware< 1.3.7.18
CiscoSf300-48pp Firmware< 1.3.7.18
CiscoSg300-28pp Firmware< 1.3.7.18
CiscoSf300-08 Firmware< 1.3.7.18
CiscoSf300-48p Firmware< 1.3.7.18
CiscoSg300-10mp Firmware< 1.3.7.18
CiscoSg300-10p Firmware< 1.3.7.18
CiscoSg300-10 Firmware< 1.3.7.18
CiscoSg300-28p Firmware< 1.3.7.18
CiscoSf300-24p Firmware< 1.3.7.18
CiscoSf302-08mp Firmware< 1.3.7.18
CiscoSg300-28 Firmware< 1.3.7.18
CiscoSf300-48 Firmware< 1.3.7.18
CiscoSg300-20 Firmware< 1.3.7.18
CiscoSf302-08p Firmware< 1.3.7.18
CiscoSg300-52 Firmware< 1.3.7.18
CiscoSf300-24 Firmware< 1.3.7.18
CiscoSf302-08 Firmware< 1.3.7.18
CiscoSf300-24mp Firmware< 1.3.7.18
CiscoSg300-10sfp Firmware< 1.3.7.18
CiscoSg300-28mp Firmware< 1.3.7.18
CiscoSg300-52p Firmware< 1.3.7.18
CiscoSg300-52mp Firmware< 1.3.7.18
CiscoSg500-28mpp Firmware< 1.3.7.18
CiscoSg500-52mp Firmware< 1.3.7.18
CiscoSg500xg-8f8t Firmware< 1.3.7.18
CiscoSf500-24 Firmware< 1.3.7.18
CiscoSf500-24p Firmware< 1.3.7.18
CiscoSf500-48 Firmware< 1.3.7.18
CiscoSf500-48p Firmware< 1.3.7.18
CiscoSg500-28 Firmware< 1.3.7.18

Showing 50 of 57 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2020-3147?
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
How severe is CVE-2020-3147?
CVE-2020-3147 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 2.28% probability of exploitation in the next 30 days.
How do I fix CVE-2020-3147?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-3147?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST