Is CVE-2018-15361 in the CISA KEV catalog?

No. CVE-2018-15361 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-15361?

CVE-2018-15361 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2018-15361?

CVE-2018-15361 has an EPSS score of 2.88% (85th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-15361?

Upgrade ultravnc to 1.2.2.3 or later.

CVE & CISA-KEV Catalog

CVE-2018-15361

CRITICALEPSS 85th pctl

9.8

CVSS v3

NVD

Description

UltraVNC revision 1198 has a buffer underflow vulnerability in VNC client code, which can potentially result in code execution. This attack appears to be exploitable via network connectivity. This vulnerability has been fixed in revision 1199.

CWE-124 CWE-787Out-of-bounds Write

How to fix

Remediation Available

ultravncNVD

Affected:< 1.2.2.3Fixed in:1.2.2.3CVE-2018-15361derived from NVD

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

2.88%probability of exploitation in 30 days

85thpercentile

Elevated risk: more likely to be exploited than 85% of all known CVEs.

References

Third-Party Advisory1

ics-cert.kaspersky.com

Other references2

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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.