CVE-2018-15439
CVSS v3
9.8
CRITICAL
EPSS Score
40.6 %
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
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, the affected software enables a privileged user account without notifying administrators of the system. An attacker could exploit this vulnerability by using this account to log in to an affected device and execute commands with full admin rights. Cisco has not released software updates that address this vulnerability. This advisory will be updated with fixed software information once fixed software becomes available. There is a workaround to address this vulnerability.
Technical details
- Published
- 2018-11-08
Frequently asked questions
What is 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, the affected software enables a privileged user account without notifying administrators of the system. An attacker could exploit this vulnerability by using this account to log in to an affected device and execute commands with full admin rights. Cisco has not released software updates that address this vulnerability. This advisory will be updated with fixed software information once fixed software becomes available. There is a workaround to address this vulnerability.
Is CVE-2018-15439 actively exploited?
Active exploitation of CVE-2018-15439 has not been confirmed. The EPSS score is 40.6%, indicating the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2018-15439?
CVE-2018-15439 has a CVSS v3 base score of 9.8 (CRITICAL severity).
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