Is CVE-2018-20181 in the CISA KEV catalog?

No. CVE-2018-20181 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-20181?

CVE-2018-20181 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2018-20181?

CVE-2018-20181 has an EPSS score of 8.21% (94th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-20181?

Upgrade rdesktop on debian 11 to 1.8.4-1 or later.

CVE & CISA-KEV Catalog

CVE-2018-20181

CRITICALEPSS 94th pctl

9.8

CVSS v3

NVD

Description

rdesktop versions up to and including v1.8.3 contain an Integer Underflow that leads to a Heap-Based Buffer Overflow in the function seamless_process() and results in memory corruption and probably even a remote code execution.

CWE-191 CWE-787Out-of-bounds Write

How to fix

Remediation Available

rdesktopDebian

Fixed in:1.8.4-1CVE-2018-20181

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

8.21%probability of exploitation in 30 days

94thpercentile

High risk: more likely to be exploited than 94% of all known CVEs.

References

Patch1

github.com

Exploit1

research.checkpoint.com

Third-Party Advisory4

Other references1

lists.opensuse.org

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.