Vulnerability in Cisco Small Business 300 Series Managed Switches
CVE-2018-15439
A vulnerability in the Cisco Small Business Switches software could allow an unauthenticated, remote attacker to bypass the user authentication mechanism of an affected device. The vulnerability exists because under specific circumstances…
EPSS: 0.497 (98.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- psirt@cisco.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2018-15439?
- CVE-2018-15439 is a critical-severity vulnerability in Cisco Small Business 300 Series Managed Switches, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2018-11-08.
- How severe is CVE-2018-15439?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2018-15439 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.