CVE-2018-20174

Rdesktop vulnerability

CVSS

7.5

EPSS

3.5%

EPSS pct

88th

Exploited

No known

rdesktop versions up to and including v1.8.3 contain an Out-Of-Bounds Read in the function ui_clip_handle_data() that results in an information leak.

Affected vendor

Rdesktop

Affected product

Rdesktop

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness type (CWE)

CWE-125 — Out-of-bounds Read

Published

2019-03-15

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality.

Its EPSS score of 3.5% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 88% of all scored CVEs.

Check your external exposure to CVE-2018-20174

Confirm whether Rdesktop Rdesktop is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2018-20174.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2018-20174

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2018-20174 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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