Is CVE-2018-16879 in the CISA KEV catalog?

No. CVE-2018-16879 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-16879?

CVE-2018-16879 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2018-16879?

CVE-2018-16879 has an EPSS score of 1.11% (62th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-16879?

Upgrade ansible tower to 3.3.3 or later.

CVE & CISA-KEV Catalog

CVE-2018-16879

CRITICAL

9.8

CVSS v3

NVD

Description

Ansible Tower before version 3.3.3 does not set a secure channel as it is using the default insecure configuration channel settings for messaging celery workers from RabbitMQ. This could lead in data leak of sensitive information such as passwords as well as denial of service attacks by deleting projects or inventory files.

CWE-311

How to fix

Remediation Available

ansible towerNVD

Affected:< 3.3.3Fixed in:3.3.3CVE-2018-16879derived 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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

1.11%probability of exploitation in 30 days

62ndpercentile

Moderate risk: more likely to be exploited than 62% of all known CVEs.

References

Vendor Advisory1

bugzilla.redhat.com

Third-Party Advisory1

securityfocus.com

Related Vulnerabilities

Other CWE-311 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2026-27944	Critical	9.8	22%	-	Fix
CVE-2026-34486	High	7.5	16%	-	-
CVE-2019-11367	Critical	9.8	2.8%	-	Fix
CVE-2017-8221	High	7.5	2.7%	-	-
CVE-2016-10593	High	8.1	2.3%	-	-
CVE-2018-10698	Critical	9.8	2.3%	-	-

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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.