CVE-2018-20178
CVSS v3
7.5
HIGH
EPSS Score
4.3 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
rdesktop versions up to and including v1.8.3 contain an Out-Of-Bounds Read in the function process_demand_active() that results in a Denial of Service (segfault).
Technical details
- Published
- 2019-03-15
Frequently asked questions
What is CVE-2018-20178?
rdesktop versions up to and including v1.8.3 contain an Out-Of-Bounds Read in the function process_demand_active() that results in a Denial of Service (segfault).
Is CVE-2018-20178 actively exploited?
Active exploitation of CVE-2018-20178 has not been confirmed. Its EPSS score was 4.3% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2018-20178?
CVE-2018-20178 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2018-20178 affecting your environment?
Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.
No credit card required · 500 free checks/month · Free API key
Other 2018 vulnerabilities worth triaging
Ranked by exploit probability (EPSS).