Is CVE-2018-11778 in the CISA KEV catalog?

No. CVE-2018-11778 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-11778?

CVE-2018-11778 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2018-11778?

CVE-2018-11778 has an EPSS score of 4.01% (89th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-11778?

Upgrade ranger to 1.2.0 or later.

CVE & CISA-KEV Catalog

CVE-2018-11778

HIGHEPSS 89th pctl

8.8

CVSS v3

NVD

Description

UnixAuthenticationService in Apache Ranger 1.2.0 was updated to correctly handle user input to avoid Stack-based buffer overflow. Versions prior to 1.2.0 should be upgraded to 1.2.0

CWE-787Out-of-bounds Write

How to fix

Remediation Available

rangerNVD

Affected:< 1.2.0Fixed in:1.2.0CVE-2018-11778derived 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 RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

4.01%probability of exploitation in 30 days

89thpercentile

Elevated risk: more likely to be exploited than 89% of all known CVEs.

References

Vendor Advisory1

cwiki.apache.org

Third-Party Advisory1

seclists.org

Other references2

Related Vulnerabilities

Other CWE-787 (Out-of-bounds Write) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-22457	Critical	9.0	100%	KEV + Ransom	Fix
CVE-2025-0282	Critical	9.0	100%	KEV + Ransom	-
CVE-2015-3113	Critical	9.8	100%	KEV	Fix
CVE-2021-20038	Critical	9.8	100%	KEV + Ransom	-
CVE-2023-4863	High	8.8	100%	KEV	Fix
CVE-2020-16040	Medium	6.5	100%	-	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.