Is CVE-2018-20176 in the CISA KEV catalog?

No. CVE-2018-20176 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-20176?

CVE-2018-20176 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2018-20176?

CVE-2018-20176 has an EPSS score of 3.60% (88th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-20176?

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

CVE & CISA-KEV Catalog

CVE-2018-20176

HIGHEPSS 88th pctl

7.5

CVSS v3

NVD

Description

rdesktop versions up to and including v1.8.3 contain several Out-Of- Bounds Reads in the file secure.c that result in a Denial of Service (segfault).

CWE-125Out-of-bounds Read

How to fix

Remediation Available

rdesktopDebian

Fixed in:1.8.4-1CVE-2018-20176

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

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

3.60%probability of exploitation in 30 days

88thpercentile

Elevated risk: more likely to be exploited than 88% of all known CVEs.

References

Patch1

github.com

Exploit1

research.checkpoint.com

Other references5

Related Vulnerabilities

Other CWE-125 (Out-of-bounds Read) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2014-0160	High	7.5	100%	KEV	Fix
CVE-2025-5777	High	7.5	100%	KEV + Ransom	Fix
CVE-2021-4034	High	7.8	95%	KEV	Fix
CVE-2023-21769	High	7.5	92%	-	Fix
CVE-2023-49285	High	8.6	89%	-	Fix
CVE-2020-8794	Critical	9.8	89%	-	Fix

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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.