Risk | High |
Patch available | YES |
Number of vulnerabilities | 4 |
CVE-ID | CVE-2021-1542 CVE-2021-1541 CVE-2021-1543 CVE-2021-1571 |
CWE-ID | CWE-287 CWE-20 CWE-79 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
Cisco Small Business 220 Series Smart Switches Hardware solutions / Routers & switches, VoIP, GSM, etc |
Vendor |
Security Bulletin
This security bulletin contains information about 4 vulnerabilities.
EUVDB-ID: #VU54173
Risk: High
CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-1542
CWE-ID:
CWE-287 - Improper Authentication
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to usage of weak sessionidentifiers. A remote unauthenticated attacker can guess active session identifier, bypass authentication process and gain unauthorized access to the application.
MitigationInstall updates from vendor's website.
Vulnerable software versionsCisco Small Business 220 Series Smart Switches: before 1.2.0.6
External linkshttp://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ciscosb-multivulns-Wwyb7s5E
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCvx57925
Q & A
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.
EUVDB-ID: #VU54174
Risk: Medium
CVSSv3.1: 6.3 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-1541
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote user to compromise the affected system.
The vulnerability exists due to insufficient validation of user-supplied input for TFTP configuration parameters. A remote user can pass specially crafted input to the application and execute arbitrary code on the system.
Install updates from vendor's website.
Vulnerable software versionsCisco Small Business 220 Series Smart Switches: before 1.2.0.6
External linkshttp://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ciscosb-multivulns-Wwyb7s5E
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCvx57935
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU54175
Risk: Low
CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-1543
CWE-ID:
CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Exploit availability: No
DescriptionThe disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
MitigationInstall updates from vendor's website.
Vulnerable software versionsCisco Small Business 220 Series Smart Switches: before 1.2.0.6
External linkshttp://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ciscosb-multivulns-Wwyb7s5E
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCvx57830
Q & A
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.
EUVDB-ID: #VU54176
Risk: Low
CVSSv3.1: 4.1 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-1571
CWE-ID:
CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Exploit availability: No
DescriptionThe disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
MitigationInstall updates from vendor's website.
Vulnerable software versionsCisco Small Business 220 Series Smart Switches: before 1.2.0.6
External linkshttp://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ciscosb-multivulns-Wwyb7s5E
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCvx57830
Q & A
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.