CRITICAL

CVE-2018-7539

CVSS v3

9.8

CRITICAL

EPSS Score

18.4%

exploit probability

CISA KEV

No

known exploited

Exploitation

SSVC status

Description

On Appear TV XC5000 and XC5100 devices with firmware 3.26.217, it is possible to read OS files with a specially crafted HTTP request (such as GET /../../../../../../../../../../../../etc/passwd) to the web server (fuzzd/0.1.1) running the Maintenance Center on port TCP/8088. This can lead to full compromise of the device.

Technical details

Published
4/17/2018

Frequently asked questions

What is CVE-2018-7539?

On Appear TV XC5000 and XC5100 devices with firmware 3.26.217, it is possible to read OS files with a specially crafted HTTP request (such as GET /../../../../../../../../../../../../etc/passwd) to the web server (fuzzd/0.1.1) running the Maintenance Center on port TCP/8088. This can lead to full compromise of the device.

Is CVE-2018-7539 actively exploited?

Active exploitation of CVE-2018-7539 has not been confirmed. The EPSS score is 18.4%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-7539?

CVE-2018-7539 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2018-7539 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.