Vulnerability · CVE-2020-1738
A flaw was found in Ansible Engine when the module package or service is used and the parameter 'use' is not specified.
Published Mar 16, 2020 · catalog updated Jun 17, 2026 · A flaw was found
Last checked Nov 4, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2020-1738. EPSS is 0.40%. Act only if a listed version of A flaw was found is installed.
Gaps on this record
- The stored product name is a package slug. The name on this page is taken from the title (A flaw was found).
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
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- Severity
- Low3.9
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.40%
- Remediation
- Version ranges on file
- Affected products
- cpe redhat/ansible · cpe redhat/ansible tower
A flaw was found in Ansible Engine when the module package or service is used and the parameter 'use' is not specified. If a previous task is executed with a malicious user, the module sent can be selected by the attacker using the ansible facts file. All versions in 2.7.x, 2.8.x and 2.9.x branches are believed to be vulnerable.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- cpe redhat/ansible<= 2.7.16
- cpe redhat/ansible>= 2.8.0, <= 2.8.8
- cpe redhat/ansible>= 2.9.0, <= 2.9.5
- cpe redhat/ansible tower<= 3.3.4
- cpe redhat/ansible tower>= 3.3.5, <= 3.4.5
- cpe redhat/ansible tower>= 3.5.0, <= 3.5.5
How to fix CVE-2020-1738
Upgrade
CVE-2020-1738 lists a fix boundary at 2.7.16. Compare the installed build with that boundary before you change production.
Version check
Affected <= 2.7.16
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2020-1738. EPSS is 0.40%. Act only if a listed version of A flaw was found is installed.
Which versions are affected?
Compare what you have installed with redhat/ansible tower <= 3.3.4; redhat/ansible tower >= 3.3.5, <= 3.4.5; redhat/ansible tower >= 3.5.0, <= 3.5.5. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
CWE-88. EPSS 0.40%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Technology hubs
Code
The project this record applies to. Exploit listings stay in References.
Timeline
Detection, updates, and resolution for this record.
Mar 16, 2020 · Monitored products — high
Detected
A flaw was found in Ansible Engine when the module package or service is used and the parameter 'use' is not specified. If a previous task is executed with a malicious user, the module sent can be selected by the attacker using the ansible facts file. All versions in 2.7.x, 2.8.x and 2.9.x branches are believed to be vulnerable.
Jun 17, 2026 · Monitored products — high
Updated
A flaw was found in Ansible Engine when the module package or service is used and the parameter 'use' is not specified. If a previous task is executed with a malicious user, the module sent can be selected by the attacker using the ansible facts file. All versions in 2.7.x, 2.8.x and 2.9.x branches are believed to be vulnerable.
Sources
- CVE.orgVulnerability recordCVE-2020-1738
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2020-1738
30-day exploitation probability 0.40%
first.org - Monitored products — highVendor advisoryCVE-2020-1738
A flaw was found in Ansible Engine when the module package or service is used and the parameter 'use' is not specified. If a previous task is executed with a malicious user, the module sent can be selected by the attacker using the ansible facts file. All versions in 2.7.x, 2.8.x and 2.9.x branches are believed to be vulnerable.
nvd.nist.gov
References
Freshness
Last verified in this catalog Nov 3, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- CVE.orgNov 4, 2026
- FIRST EPSSNov 3, 2026
- Monitored products — highNov 2, 2026