Critical severity · published May 18, 2023
CVE-2023-20159
Cisco Small Business Series Switches Buffer Overflow Vulnerabilities
9.8
CVSS
11.1%
EPSS
No
On KEV
Description
Multiple vulnerabilities in the web-based user interface of certain Cisco Small Business Series Switches could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition or execute arbitrary code with root privileges on an affected device. These vulnerabilities are due to improper validation of requests that are sent to the web interface. For more information about these vulnerabilities, see the Details section of this advisory.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)11.1% · higher than 96% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CS
Cisco Small Business Smart and Managed Switches · Cisco
All versions, or not specified · source: vendor
B2
Business 250-16p-2g Firmware · Cisco
All versions, or not specified · source: NVD
B2
Business 250-16t-2g Firmware · Cisco
All versions, or not specified · source: NVD
B2
Business 250-24fp-4g Firmware · Cisco
All versions, or not specified · source: NVD
B2
Business 250-24fp-4x Firmware · Cisco
All versions, or not specified · source: NVD
B2
Business 250-24p-4g Firmware · Cisco
All versions, or not specified · source: NVD
B2
Business 250-24p-4x Firmware · Cisco
All versions, or not specified · source: NVD
B2
Business 250-24pp-4g Firmware · Cisco
All versions, or not specified · source: NVD
B2
Business 250-24t-4g Firmware · Cisco
All versions, or not specified · source: NVD
B2
Business 250-24t-4x Firmware · Cisco
All versions, or not specified · source: NVD
B2
Business 250-48p-4g Firmware · Cisco
All versions, or not specified · source: NVD
B2
Business 250-48p-4x Firmware · Cisco
All versions, or not specified · source: NVD
Affected product
CS
Cisco Small Business Smart and Managed Switches
Cisco
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