What is the severity of CVE-2018-15439?

The severity of CVE-2018-15439 is critical with a CVSS score of 9.8.

How can I fix the vulnerability in Cisco Small Business Switches software (CVE-2018-15439)?

To fix the vulnerability in Cisco Small Business Switches software, update to the latest patched version provided by Cisco.

Is the Cisco Sg200-50 firmware affected by CVE-2018-15439?

Yes, the Cisco Sg200-50 firmware is affected by CVE-2018-15439 vulnerability.

Where can I find more information about CVE-2018-15439?

You can find more information about CVE-2018-15439 on the Cisco security advisory page and SecurityFocus website.

Vulnerability/
CVE-2018-15439

critical

9.8

CWE

798

7/11/2018

5/8/2024

CVE-2018-15439: Cisco Small Business Switches Privileged Access Vulnerability

First published: Wed Nov 07 2018(Updated: )

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.

Credit: ykramarz@cisco.com

Affected Software	Affected Version	How to fix
Cisco Sg200-50 Firmware
Cisco Sg200-50
Cisco Sg200-50p Firmware
Cisco Sg200-50p
Cisco Sg200-50fp Firmware
Cisco Sg200-50fp
Cisco Sg200-26 Firmware
Cisco Sg200-26
Cisco Sg200-26p Firmware
Cisco Sg200-26p
Cisco Sg200-26fp Firmware
Cisco Sg200-26fp
Cisco Sg200-18 Firmware
Cisco Sg200-18
Cisco Sg200-10fp Firmware
Cisco Sg200-10fp
Cisco Sg200-08 Firmware
Cisco Sg200-08
Cisco Sg200-08p Firmware
Cisco Sg200-08p
Cisco Sf200-24 Firmware
Cisco Sf200-24
Cisco Sf200-24p Firmware
Cisco Sf200-24p
Cisco Sf200-24fp Firmware
Cisco Sf200-24fp
Cisco Sf200-48 Firmware
Cisco Sf200-48
Cisco Sf200-48p Firmware
Cisco Sf200-48p
Cisco Sf302-08pp Firmware
Cisco Sf302-08pp
Cisco Sf302-08mpp Firmware
Cisco Sf302-08mpp
Cisco Sg300-10pp Firmware
Cisco Sg300-10pp
Cisco Sg300-10mpp Firmware
Cisco Sg300-10mpp
Cisco Sf300-24pp Firmware
Cisco Sf300-24pp
Cisco Sf300-48pp Firmware
Cisco Sf300-48pp
Cisco Sg300-28pp Firmware
Cisco Sg300-28pp
Cisco Sf300-08 Firmware
Cisco Sf300-08
Cisco Sf300-48p Firmware
Cisco Sf300-48p
Cisco Sg300-10mp Firmware
Cisco Sg300-10mp
Cisco Sg300-10p Firmware
Cisco Sg300-10p
Cisco Sg300-10 Firmware
Cisco Sg300-10
Cisco Sg300-28p Firmware
Cisco Sg300-28p
Cisco Sf300-24p Firmware
Cisco Sf300-24p
Cisco Sf302-08mp Firmware
Cisco Sf302-08mp
Cisco Sg300-28 Firmware
Cisco Sg300-28
Cisco Sf300-48 Firmware
Cisco Sf300-48
Cisco Sg300-20 Firmware
Cisco Sg300-20
Cisco Sf302-08p Firmware
Cisco Sf302-08p
Cisco Sg300-52 Firmware
Cisco Sg300-52
Cisco Sf300-24 Firmware
Cisco Sf300-24
Cisco Sf302-08 Firmware
Cisco Sf302-08
Cisco Sf300-24mp Firmware
Cisco Sf300-24mp
Cisco Sg300-10sfp Firmware
Cisco Sg300-10sfp
Cisco Sg300-28mp Firmware
Cisco Sg300-28mp
Cisco Sg300-52p Firmware
Cisco Sg300-52p
Cisco Sg300-52mp Firmware
Cisco Sg300-52mp
Cisco Sg500-28mpp Firmware
Cisco Sg500-28mpp
Cisco Sg500-52mp Firmware
Cisco Sg500-52mp
Cisco Sg500xg-8f8t Firmware
Cisco Sg500xg-8f8t
Cisco Sf500-24 Firmware
Cisco Sf500-24
Cisco Sf500-24p Firmware
Cisco Sf500-24p
Cisco Sf500-48 Firmware
Cisco Sf500-48
Cisco Sf500-48p Firmware
Cisco Sf500-48p
Cisco Sg500-28 Firmware
Cisco Sg500-28
Cisco Sg500-28p Firmware
Cisco Sg500-28p
Cisco Sg500-52 Firmware
Cisco Sg500-52
Cisco Sg500-52p Firmware
Cisco Sg500-52p
Cisco Sg500x-24 Firmware
Cisco Sg500x-24
Cisco Sg500x-24p Firmware
Cisco Sg500x-24p
Cisco Sg500x-48 Firmware
Cisco Sg500x-48
Cisco Sg500x-48p Firmware
Cisco Sg500x-48p
Cisco Sg250x-24 Firmware
Cisco Sg250x-24
Cisco Sg250x-24p Firmware
Cisco Sg250x-24p
Cisco Sg250x-48 Firmware
Cisco Sg250x-48
Cisco Sg250x-48p Firmware
Cisco Sg250x-48p
Cisco Sg250-08 Firmware
Cisco Sg250-08
Cisco Sg250-08hp Firmware
Cisco Sg250-08hp
Cisco Sg250-10p Firmware
Cisco Sg250-10p
Cisco Sg250-18 Firmware
Cisco Sg250-18
Cisco Sg250-26 Firmware
Cisco Sg250-26
Cisco Sg250-26hp Firmware
Cisco Sg250-26hp
Cisco Sg250-26p Firmware
Cisco Sg250-26p
Cisco Sg250-50 Firmware
Cisco Sg250-50
Cisco Sg250-50hp Firmware
Cisco Sg250-50hp
Cisco Sg250-50p Firmware
Cisco Sg250-50p
Cisco Sf250-24 Firmware
Cisco Sf250-24
Cisco Sf250-24p Firmware
Cisco Sf250-24p
Cisco Sf250-48 Firmware
Cisco Sf250-48
Cisco Sf250-48hp Firmware
Cisco Sf250-48hp
Cisco Sg350-10 Firmware
Cisco Sg350-10
Cisco Sg350-10p Firmware
Cisco Sg350-10p
Cisco Sg350-10mp Firmware
Cisco Sg350-10mp
Cisco Sg355-10p Firmware
Cisco Sg355-10p
Cisco Sg350-28 Firmware
Cisco Sg350-28
Cisco Sg350-28p Firmware
Cisco Sg350-28p
Cisco Sg350-28mp Firmware
Cisco Sg350-28mp
Cisco Sf350-48 Firmware
Cisco Sf350-48
Cisco Sf350-48p Firmware
Cisco Sf350-48p
Cisco Sf350-48mp Firmware
Cisco Sf350-48mp
Cisco Sg350xg-2f10 Firmware
Cisco Sg350xg-2f10
Cisco Sg350xg-24f Firmware
Cisco Sg350xg-24f
Cisco Sg350xg-24t Firmware
Cisco Sg350xg-24t
Cisco Sg350xg-48t Firmware
Cisco Sg350xg-48t
Cisco Sg350x-24 Firmware
Cisco Sg350x-24
Cisco Sg350x-24p Firmware
Cisco Sg350x-24p
Cisco Sg350x-24mp Firmware
Cisco Sg350x-24mp
Cisco Sg350x-48 Firmware
Cisco Sg350x-48
Cisco Sg350x-48p Firmware
Cisco Sg350x-48p
Cisco Sg350x-48mp Firmware
Cisco Sg350x-48mp
Cisco Sx550x-16ft Firmware
Cisco Sx550x-16ft
Cisco Sx550x-24ft Firmware
Cisco Sx550x-24ft
Cisco Sx550x-12f Firmware
Cisco Sx550x-12f
Cisco Sx550x-24f Firmware
Cisco Sx550x-24f
Cisco Sx550x-24 Firmware
Cisco Sx550x-24
Cisco Sx550x-52 Firmware
Cisco Sx550x-52
Cisco Sg550x-24 Firmware
Cisco Sg550x-24
Cisco Sg550x-24p Firmware
Cisco Sg550x-24p
Cisco Sg550x-24mp Firmware
Cisco Sg550x-24mp
Cisco Sg550x-24mpp Firmware
Cisco Sg550x-24mpp
Cisco Sg550x-48 Firmware
Cisco Sg550x-48
Cisco Sg550x-48p Firmware
Cisco Sg550x-48p
Cisco Sg550x-48mp Firmware
Cisco Sg550x-48mp
Cisco Sf550x-24 Firmware
Cisco Sf550x-24
Cisco Sf550x-24p Firmware
Cisco Sf550x-24p
Cisco Sf550x-24mp Firmware
Cisco Sf550x-24mp
Cisco Sf550x-48 Firmware
Cisco Sf550x-48
Cisco Sf550x-48p Firmware
Cisco Sf550x-48p
Cisco Sf550x-48mp Firmware
Cisco Sf550x-48mp

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2018-15439?
The severity of CVE-2018-15439 is critical with a CVSS score of 9.8.
How can I fix the vulnerability in Cisco Small Business Switches software (CVE-2018-15439)?
To fix the vulnerability in Cisco Small Business Switches software, update to the latest patched version provided by Cisco.
Is the Cisco Sg200-50 firmware affected by CVE-2018-15439?
Yes, the Cisco Sg200-50 firmware is affected by CVE-2018-15439 vulnerability.
Where can I find more information about CVE-2018-15439?
You can find more information about CVE-2018-15439 on the Cisco security advisory page and SecurityFocus website.