CRITICAL

CVE-2018-20749

CVSS v3

9.8

CRITICAL

EPSS Score

10.4%

exploit probability

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

LibVNC before 0.9.12 contains a heap out-of-bounds write vulnerability in libvncserver/rfbserver.c. The fix for CVE-2018-15127 was incomplete.

Technical details

Published
1/30/2019

Frequently asked questions

What is CVE-2018-20749?

LibVNC before 0.9.12 contains a heap out-of-bounds write vulnerability in libvncserver/rfbserver.c. The fix for CVE-2018-15127 was incomplete.

Is CVE-2018-20749 actively exploited?

Active exploitation of CVE-2018-20749 has not been confirmed. The EPSS score is 10.4%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-20749?

CVE-2018-20749 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2018-20749 affecting your environment?

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

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