Vulnerability identifier: #VU24756
Vulnerability risk: Medium
CVSSv4.0: 7.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Green]
CVE-ID:
CWE-ID:
CWE-16
Exploitation vector: Network
Exploit availability: Yes
Vulnerable software:
Cisco 250 Series Smart Switches
Hardware solutions /
Routers & switches, VoIP, GSM, etc
Cisco 350 Series Managed Switches
Hardware solutions /
Routers & switches, VoIP, GSM, etc
Cisco 350X Series Stackable Managed Switches
Hardware solutions /
Routers & switches, VoIP, GSM, etc
Cisco 550X Series Stackable Managed Switches
Hardware solutions /
Routers & switches, VoIP, GSM, etc
Cisco Small Business 300 Series Managed Switches
Hardware solutions /
Routers & switches, VoIP, GSM, etc
Cisco Small Business 500 Series Stackable Managed Switches
Hardware solutions /
Routers & switches, VoIP, GSM, etc
Cisco Small Business 200 Series Smart Switches
Hardware solutions /
Routers & switches, VoIP, GSM, etc
Vendor: Cisco Systems, Inc
Description
The vulnerability allows a remote attacker to access sensitive device information.
The vulnerability exists due to the affected software lacks proper authentication controls to information accessible from the web UI. A remote attacker can send a malicious HTTP request to the web UI of an affected device and gain access to sensitive device information, which includes configuration files.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Cisco 250 Series Smart Switches: before 2.5.0.92
Cisco 350 Series Managed Switches: before 2.5.0.92
Cisco 350X Series Stackable Managed Switches: before 2.5.0.92
Cisco 550X Series Stackable Managed Switches: before 2.5.0.92
Cisco Small Business 300 Series Managed Switches: before 1.4.11.4
Cisco Small Business 500 Series Stackable Managed Switches: before 1.4.11.4
Cisco Small Business 200 Series Smart Switches: before 1.4.11.4
External links
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20200129-smlbus-switch-disclos
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.