Cisco Small Business 220 Series Smart Switches Vulnerabilities
Priority MEDIUM 40CWE-287Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-287.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01387 72nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Cisco | Cisco Small Business 220 Series Smart Plus Switches | all versions | — | No fix listed | CNA |
- Cisco Small Business 220 Series Smart Plus Switches VendorCisco Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 18
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:cisco:sf220-24_firmware:*:*:*:*:*:*:*:* | before 1.2.0.6 | Vulnerable | Cisco |
| cpe:2.3:h:cisco:sf220-24:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Cisco |
| cpe:2.3:o:cisco:sf220-24p_firmware:*:*:*:*:*:*:*:* | before 1.2.0.6 | Vulnerable | Cisco |
| cpe:2.3:h:cisco:sf220-24p:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Cisco |
| cpe:2.3:o:cisco:sf220-48_firmware:*:*:*:*:*:*:*:* | before 1.2.0.6 | Vulnerable | Cisco |
| cpe:2.3:h:cisco:sf220-48:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Cisco |
| cpe:2.3:o:cisco:sf220-48p_firmware:*:*:*:*:*:*:*:* | before 1.2.0.6 | Vulnerable | Cisco |
| cpe:2.3:h:cisco:sf220-48p:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Cisco |
| cpe:2.3:o:cisco:sg220-26_firmware:*:*:*:*:*:*:*:* | before 1.2.0.6 | Vulnerable | Cisco |
| cpe:2.3:h:cisco:sg220-26:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Cisco |
- cpe:2.3:o:cisco:sf220-24_firmware:*:*:*:*:*:*:*:* Versions before 1.2.0.6 Vulnerable ·Cisco
- cpe:2.3:h:cisco:sf220-24:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
- cpe:2.3:o:cisco:sf220-24p_firmware:*:*:*:*:*:*:*:* Versions before 1.2.0.6 Vulnerable ·Cisco
- cpe:2.3:h:cisco:sf220-24p:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
- cpe:2.3:o:cisco:sf220-48_firmware:*:*:*:*:*:*:*:* Versions before 1.2.0.6 Vulnerable ·Cisco
- cpe:2.3:h:cisco:sf220-48:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
- cpe:2.3:o:cisco:sf220-48p_firmware:*:*:*:*:*:*:*:* Versions before 1.2.0.6 Vulnerable ·Cisco
- cpe:2.3:h:cisco:sf220-48p:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
- cpe:2.3:o:cisco:sg220-26_firmware:*:*:*:*:*:*:*:* Versions before 1.2.0.6 Vulnerable ·Cisco
- cpe:2.3:h:cisco:sg220-26:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
Show 8 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:cisco:sg220-26p_firmware:*:*:*:*:*:*:*:* | before 1.2.0.6 | Vulnerable | Cisco |
| cpe:2.3:h:cisco:sg220-26p:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Cisco |
| cpe:2.3:o:cisco:sg220-28mp_firmware:*:*:*:*:*:*:*:* | before 1.2.0.6 | Vulnerable | Cisco |
| cpe:2.3:h:cisco:sg220-28mp:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Cisco |
| cpe:2.3:o:cisco:sg220-50_firmware:*:*:*:*:*:*:*:* | before 1.2.0.6 | Vulnerable | Cisco |
| cpe:2.3:h:cisco:sg220-50:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Cisco |
| cpe:2.3:o:cisco:sg220-50p_firmware:*:*:*:*:*:*:*:* | before 1.2.0.6 | Vulnerable | Cisco |
| cpe:2.3:h:cisco:sg220-50p:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Cisco |
- cpe:2.3:o:cisco:sg220-26p_firmware:*:*:*:*:*:*:*:* Versions before 1.2.0.6 Vulnerable ·Cisco
- cpe:2.3:h:cisco:sg220-26p:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
- cpe:2.3:o:cisco:sg220-28mp_firmware:*:*:*:*:*:*:*:* Versions before 1.2.0.6 Vulnerable ·Cisco
- cpe:2.3:h:cisco:sg220-28mp:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
- cpe:2.3:o:cisco:sg220-50_firmware:*:*:*:*:*:*:*:* Versions before 1.2.0.6 Vulnerable ·Cisco
- cpe:2.3:h:cisco:sg220-50:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
- cpe:2.3:o:cisco:sg220-50p_firmware:*:*:*:*:*:*:*:* Versions before 1.2.0.6 Vulnerable ·Cisco
- cpe:2.3:h:cisco:sg220-50p:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
Remediation
No fixed version listed by the sources yet.
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
Cisco Small Business 220 Series Smart Plus Switches — 20210616 Cisco Small Business 220 Series Smart Switches Vulnerabilities
4 records Highest priority Priority MEDIUM 4 MEDIUM
Other records, highest priority first
- TI-2021-01295 Cisco Small Business 220 Series Smart Switches VulnerabilitiesPriority MEDIUM 46
- TI-2021-01269 Cisco Small Business 220 Series Smart Switches VulnerabilitiesPriority MEDIUM 45
- TI-2021-01267 Cisco Small Business 220 Series Smart Switches VulnerabilitiesPriority MEDIUM 45
Timeline
- 2026-10-02 Threatist record created from CVE-2021-1542
- 2026-10-03 Alias added: GHSA-xgp8-2ww2-cmg3
References
More Cisco Sf220-24 Firmware vulnerabilities
- TI-2021-01295 Cisco Small Business 220 Series Smart Switches Vulnerabilities CVSS 3.1HIGH 7.2
- TI-2021-01269 Cisco Small Business 220 Series Smart Switches Vulnerabilities CVSS 3.1HIGH 7.2
- TI-2021-01267 Cisco Small Business 220 Series Smart Switches Vulnerabilities CVSS 3.1HIGH 7.2
Sources
- CVE-2021-1542 · CVE Program
- CVE-2021-1542 · NVD
- FIRST EPSS
- GHSA-xgp8-2ww2-cmg3 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences