Vulnerability Details : CVE-2021-1543
Multiple vulnerabilities in the web-based management interface of Cisco Small Business 220 Series Smart Switches could allow an attacker to do the following: Hijack a user session Execute arbitrary commands as a root user on the underlying operating system Conduct a cross-site scripting (XSS) attack Conduct an HTML injection attack For more information about these vulnerabilities, see the Details section of this advisory.
Vulnerability category: Cross site scripting (XSS)BypassGain privilege
Products affected by CVE-2021-1543
- cpe:2.3:o:cisco:sf220-24p_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:sf220-48_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:sf220-48p_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:sg220-26_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:sg220-26p_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:sg220-28mp_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:sg220-50_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:sg220-50p_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:sf220-24_firmware:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-1543
0.07%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 28 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-1543
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:P/A:N |
8.6
|
2.9
|
NIST | |
|
7.2
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
1.2
|
5.9
|
Cisco Systems, Inc. | |
|
6.1
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
2.8
|
2.7
|
NIST |
CWE ids for CVE-2021-1543
-
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.Assigned by: nvd@nist.gov (Primary)
-
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.Assigned by: ykramarz@cisco.com (Secondary)
References for CVE-2021-1543
-
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ciscosb-multivulns-Wwyb7s5E
Cisco Small Business 220 Series Smart Switches VulnerabilitiesVendor Advisory
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