CVE-2018-16879

highpriority · track · 39OT risk · elevatedEPSS 0.011 · 66 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.11% (66th) EPSS

CVSS 7.5 · high

Is it mine?

2 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.3–9.8

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 6.4

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.07.3highCVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:Hsecondary · ENISA EU

v3.07.3highCVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:Hsecondary · secalert@redhat.com USexploitability 2.1 · impact 5.2

v3.19criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-311USprimary

affected products (2)

Products and version ranges known to be affected.

[UNKNOWN] Tower≤ 3.3.3enisa_euvdEU
redhat ansible tower< 3.3.3nvdUScpe:2.3:a:redhat:ansible_tower:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2019-01-03modified 2026-06-17

related (768)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2026-34486US	—OT critical	98.5% (100th)	KEV	2026-04-09
Missing Encryption of Sensitive Data vulnerability in Apache Tomcat due to the fix for CVE-2026-29146 allowing the bypass of the EncryptInterceptor. This issue affects Apache Tomc…
CVE-2019-11523US	critical9.8OT high	1.21% (68th)	Exploit	2019-06-06
Anviz Global M3 Outdoor RFID Access Control executes any command received from any source. No authentication/encryption is done. Attackers can fully interact with the device: for e…
CVE-2024-26581US	high7.8OT elevated	2.22% (83rd)	Exploit	2024-02-20
In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_set_rbtree: skip end interval element from gc rbtree lazy gc on insert might collect an end int…
CVE-2019-9636US	critical9.8OT elevated	7.67% (95th)	—	2019-03-08
Python 2.7.x through 2.7.16 and 3.x through 3.7.2 is affected by: Improper Handling of Unicode Encoding (with an incorrect netloc) during NFKC normalization. The impact is: Informa…
CVE-2021-0683US	high7.8OT elevated	0.24% (14th)	Exploit	2021-10-06
In runTraceIpcStop of ActivityManagerShellCommand.java, there is a possible deletion of system files due to a confused deputy. This could lead to local escalation of privilege with…

+763 more

references (7)

External citations — patches, advisories, analysis.

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16879 cnnvd
https://www.ansible.com/Patchcnnvd
https://www.securityfocus.com/bid/106310 cnnvd
http://www.securityfocus.com/bid/106310 enisa_euvd
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16879 enisa_euvd
http://www.securityfocus.com/bid/106310Broken LinkThird Party AdvisoryVDB Entrynvd
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16879Issue TrackingVendor Advisorynvd

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan