Auth bypass in Cisco Small Business 220 Series Smart Plus Switches
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…
Vulnerability class: Broken Authentication
EPSS: 0.003 (51.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Cisco Small Business 220 Series Smart Plus Switches — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- 20210616 Cisco Small Business 220 Series Smart Switches Vulnerabilities (vendor-advisory, x_refsource_CISCO)
Frequently asked questions
- What is CVE-2021-1543?
- CVE-2021-1543 is a high-severity vulnerability in Cisco Small Business 220 Series Smart Plus Switches, classified under Improper Authentication. CVSS score: 7.2/10. Published 2021-06-16.
- How severe is CVE-2021-1543?
- High severity. CVSS v3 base score is 7.2 out of 10.
- Is CVE-2021-1543 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.