CVE-2020-1738: red hat ansible Argument Injection
Vulnerability summary
CVE-2020-1738 is a low (CVSS 3.9) Argument Injection vulnerability in red hat ansible. EPSS estimates a 0.40% chance of exploitation in the next 30 days, higher than 32.7% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 7 · Related 7Timeline
- 16-03-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
7 scores · 5 sources · 3 versions- OSV · PypiEcosystem advisory · calculated3.9LowCVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:N/I:L/A:L
- OSV · UbuntuEcosystem advisory · calculated3.9LowCVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:N/I:L/A:L
- OSV · DebianEcosystem advisory · calculated3.9LowCVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:N/I:L/A:L
- NVDNIST3.9LowCVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:N/I:L/A:L
EPSS trend
Probability
0.40%
Chance of exploitation in the next 30 days
Percentile
33%
Versus all other CVEs
30-day change
0.00 pp
From 0.40% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Redhat4 products
- ansible≤ 2.7.16 | ≥ 2.8.0, ≤ 2.8.8 | ≥ 2.9.0, ≤ 2.9.5
- ansible_tower≤ 3.3.4 | ≥ 3.3.5, ≤ 3.4.5 | ≥ 3.5.0, ≤ 3.5.5 | ≥ 3.6.0, ≤ 3.6.3
- cloudforms_management_engine5.0
- openstack13
Debian1 product
- ansibleAll versions (No fix recorded)
PyPI1 product
- ansible≤ 2.7.16 | ≥ 2.8.0a1, ≤ 2.8.10 | ≥ 2.9.0a1, ≤ 2.9.6 | ≥ 2.9.0, < 2.9.6
Red hat1 product
- ansible2.7.x, 2.8.x, 2.9.x
Ubuntu1 product
- ansibleAll versions (No fix recorded)
5 vendors · 8 products
References
12 links- bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1738X Refsource CONFIRMWEBREPORTIssue TrackingVendor Advisory
- github.com/ansible/ansiblePACKAGE