CVE-2021-1541: cisco cisco small business 220 series smart plus switches Improper Authentication
Vulnerability summary
CVE-2021-1541 is a high (CVSS 9.0) Improper Authentication vulnerability in cisco cisco small business 220 series smart plus switches. EPSS estimates a 8.75% chance of exploitation in the next 30 days, higher than 95.1% of scored vulnerabilities.
Timeline
- 16-06-2021PublishedVulnerability first disclosed.
- 07-11-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
3 scores · 2 sources · 2 versions- NVDNIST7.2HighCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
8.75%
Chance of exploitation in the next 30 days
Percentile
95%
Versus all other CVEs
30-day change
0.00 pp
From 8.75% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Cisco10 products
- cisco small business 220 series smart plus switchesn/a
- sf220-24_firmware< 1.2.0.6
- sf220-24p_firmware< 1.2.0.6
- sf220-48_firmware< 1.2.0.6
- sf220-48p_firmware< 1.2.0.6
1 vendor · 10 products
References
1 links- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ciscosb-multivulns-Wwyb7s5EVendor AdvisoryX Refsource CISCO