Is CVE-2018-17980 in the CISA KEV catalog?

No. CVE-2018-17980 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-17980?

CVE-2018-17980 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2018-17980?

CVE-2018-17980 has an EPSS score of 4.55% (90th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-17980?

Upgrade NoMachine to 5.3.27 or later.

CVE & CISA-KEV Catalog

CVE-2018-17980

HIGHEPSS 90th pctl

7.8

CVSS v3

NVD

Description

NoMachine before 5.3.27 and 6.x before 6.3.6 allows attackers to gain privileges via a Trojan horse wintab32.dll file located in the same directory as a .nxs file, as demonstrated by a scenario where the .nxs file and the DLL are in the current working directory, and the Trojan horse code is executed. (The directory could, in general, be on a local filesystem or a network share.).

CWE-426

How to fix

Remediation Available

NoMachineWindows application

Affected:5.3.27Fixed in:5.3.27NoMachine S.a.r.l.

Affected:6.0.0 6.3.6Fixed in:6.3.6NoMachine S.a.r.l.

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 VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

4.55%probability of exploitation in 30 days

90thpercentile

High risk: more likely to be exploited than 90% of all known CVEs.

References

Exploit3

Vendor Advisory1

nomachine.com

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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.