High severity7.2NVD Advisory· Published Jun 16, 2021· Updated Jun 17, 2026
CVE-2021-1542
CVE-2021-1542
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
11(expand)+ 1 more
- (no CPE)
- (no CPE)range: n/a
- cpe:2.3:o:cisco:sf220-24_firmware:*:*:*:*:*:*:*:*Range: <1.2.0.6
- cpe:2.3:o:cisco:sf220-24p_firmware:*:*:*:*:*:*:*:*Range: <1.2.0.6
- cpe:2.3:o:cisco:sf220-48_firmware:*:*:*:*:*:*:*:*Range: <1.2.0.6
- cpe:2.3:o:cisco:sf220-48p_firmware:*:*:*:*:*:*:*:*Range: <1.2.0.6
- cpe:2.3:o:cisco:sg220-26_firmware:*:*:*:*:*:*:*:*Range: <1.2.0.6
- cpe:2.3:o:cisco:sg220-26p_firmware:*:*:*:*:*:*:*:*Range: <1.2.0.6
- cpe:2.3:o:cisco:sg220-28mp_firmware:*:*:*:*:*:*:*:*Range: <1.2.0.6
- cpe:2.3:o:cisco:sg220-50_firmware:*:*:*:*:*:*:*:*Range: <1.2.0.6
- cpe:2.3:o:cisco:sg220-50p_firmware:*:*:*:*:*:*:*:*Range: <1.2.0.6
Patches
Vulnerability mechanics
References
1News mentions
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