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CVE-2018-10875· NVD / CVE Program· CNA redhat

A flaw was found in ansible.

A flaw was found in ansible. ansible.cfg is read from the current working directory which can be altered to make it point to a plugin or a module path under the control of an attacker, thus allowing the attacker to execute arbitrary code.

HighCVSS 7.8 · v3.1—No exploit Fix available

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Published
Jul 13, 2018
Updated
Jun 16, 2026
EPSS
0.6% · 46th percentile
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Report tools

JSON

Action score

31

Monitor

Low priority for now.

CVSS
31 / 40 · 7.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.6%

CNA vs NVD score

NVD
7.8
CNA · redhat
7.8
agree

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

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Affected systems

VendorProduct
redhatansible engine
redhatceph storage
redhatgluster storage
redhatopenshift
redhatopenstack
redhatvirtualization
redhatvirtualization host
debiandebian linux
susepackage hub
susesuse linux enterprise server
canonicalubuntu linux

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • canonical ubuntu linux16.04
  • canonical ubuntu linux18.04
  • canonical ubuntu linux19.04
  • debian debian linux8.0
  • debian debian linux9.0
  • redhat ansible engine2.0
  • redhat ansible engine2.4
  • redhat ansible engine2.5
  • redhat ansible engine2.6
  • redhat ceph storage2.0
  • redhat ceph storage3.0
  • redhat gluster storage3.0.0
  • redhat openshift3.0
  • redhat openstack10
  • redhat openstack12
  • redhat openstack13
  • redhat virtualization4.0
  • redhat virtualization host4.0
  • suse package huball versions

Versions reported by the vendor

Affected version ranges reported by the assigning authority (redhat). Independent of NVD's CPE analysis and usually ahead of it.

  • [UNKNOWN] ansible

    • n/aaffected

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Alpine:v3.10ansiblebefore 2.6.3-r02.6.3-r0
Alpine:v3.13ansible-basebefore 2.6.3-r02.6.3-r0
Debian:12ansiblebefore 2.6.1+dfsg-12.6.1+dfsg-1
Debian:8ansiblebefore 1.7.2+dfsg-2+deb8u21.7.2+dfsg-2+deb8u2
Debian:9ansiblebefore 2.2.1.0-2+deb9u12.2.1.0-2+deb9u1
openSUSE:Tumbleweedansible-10before 10.6.0-1.110.6.0-1.1
openSUSE:Tumbleweedansible-11before 11.11.0-1.111.11.0-1.1
openSUSE:Tumbleweedansible-12before 12.2.0-1.112.2.0-1.1
openSUSE:Tumbleweedansible-13before 13.7.0-1.113.7.0-1.1
openSUSE:Tumbleweedansible-9before 9.8.0-1.19.8.0-1.1
PyPIansiblefrom 2.4 · before 2.4.6.02.4.6.0
PyPIansiblefrom 2.5 · before 2.5.62.5.6
PyPIansiblefrom 2.5.0a1 · before 2.5.62.5.6
PyPIansiblefrom 2.6 · before 2.6.12.6.1
PyPIansiblefrom 2.6.0a1 · before 2.6.12.6.1
PyPIansiblebefore 2.4.6.02.4.6.0
Red Hat:ansible_engine:2::el7ansiblebefore 0:2.6.1-1.el7ae0:2.6.1-1.el7ae
Red Hat:ansible_engine:2.4::el7ansible-docbefore 0:2.4.6.0-1.el7ae0:2.4.6.0-1.el7ae
Red Hat:ansible_engine:2.5::el7ansiblebefore 0:2.5.6-1.el7ae0:2.5.6-1.el7ae
Red Hat:ansible_engine:2.5::el7ansible-docbefore 0:2.5.6-1.el7ae0:2.5.6-1.el7ae
Red Hat:enterprise_linux:7::hypervisorimgbasedbefore 0:1.0.22-1.el7ev0:1.0.22-1.el7ev
Red Hat:enterprise_linux:7::hypervisorpython-imgbasedbefore 0:1.0.22-1.el7ev0:1.0.22-1.el7ev
Red Hat:enterprise_linux:7::hypervisorredhat-release-virtualization-hostbefore 0:4.2-5.0.el70:4.2-5.0.el7
Red Hat:enterprise_linux:7::hypervisorredhat-virtualization-hostbefore 0:4.2-20180724.0.el7_50:4.2-20180724.0.el7_5

+80

Other highest-scoring records for the same primary product.

  • CVE-2021-20228A flaw was found in the Ansible Engine 2.9.18, where sensitive info is not masked by default and is not protected by the no_log feature when
    31Monitor
  • CVE-2020-1737A flaw was found in Ansible 2.7.17 and prior, 2.8.9 and prior, and 2.9.6 and prior when using the Extract-Zip function from the win_unzip mo
    31Monitor
  • CVE-2019-14846In Ansible, all Ansible Engine versions up to ansible-engine 2.8.5, ansible-engine 2.7.13, ansible-engine 2.6.19, were logging at the DEBUG
    31Monitor
  • CVE-2018-16837Ansible "User" module leaks any data which is passed on as a parameter to ssh-keygen.
    31Monitor
  • CVE-2018-10874In ansible it was found that inventory variables are loaded from current working directory when running ad-hoc command which are under attac
    31Monitor
  • CVE-2020-1734A flaw was found in the pipe lookup plugin of ansible.
    29Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
alpine:ansible2.6.3-r0 · Alpine:v3.10Package registry (OSV)
alpine:ansible-base2.6.3-r0 · Alpine:v3.13Package registry (OSV)
debian:ansible2.6.1+dfsg-1 · Debian:12Package registry (OSV)
opensuse:ansible2.7.8-bp150.3.6.1 · openSUSE:Leap 15.0Package registry (OSV)
opensuse:ansible-1010.6.0-1.1 · openSUSE:TumbleweedPackage registry (OSV)
opensuse:ansible-1111.11.0-1.1 · openSUSE:TumbleweedPackage registry (OSV)
opensuse:ansible-1212.2.0-1.1 · openSUSE:TumbleweedPackage registry (OSV)
opensuse:ansible-1313.7.0-1.1 · openSUSE:TumbleweedPackage registry (OSV)
opensuse:ansible-99.8.0-1.1 · openSUSE:TumbleweedPackage registry (OSV)
PyPI:ansible2.4.6.0Package registry (OSV)
PyPI:ansible2.5.6Package registry (OSV)
PyPI:ansible2.6.1Package registry (OSV)
red hat:ansible0:2.4.6.0-1.el7ae · Red Hat:openstack:12::el7Package registry (OSV)
red hat:ansible-doc0:2.5.6-1.el7ae · Red Hat:ansible_engine:2.5::el7Package registry (OSV)
red hat:ansible-role-redhat-subscription0:1.0.1-4.el7ost · Red Hat:openstack:12::el7Package registry (OSV)
red hat:imgbased0:1.0.22-1.el7ev · Red Hat:enterprise_linux:7::hypervisorPackage registry (OSV)
red hat:python-imgbased0:1.0.22-1.el7ev · Red Hat:enterprise_linux:7::hypervisorPackage registry (OSV)
red hat:redhat-release-virtualization-host0:4.2-5.0.el7 · Red Hat:enterprise_linux:7::hypervisorPackage registry (OSV)
red hat:redhat-virtualization-host0:4.2-20180724.0.el7_5 · Red Hat:enterprise_linux:7::hypervisorPackage registry (OSV)
red hat:redhat-virtualization-host-image-update0:4.2-20180724.0.el7_5 · Red Hat:enterprise_linux:7::hypervisorPackage registry (OSV)
red hat:redhat-virtualization-host-image-update-placeholder0:4.2-5.0.el7 · Red Hat:enterprise_linux:7::hypervisorPackage registry (OSV)
suse:ansible2.4.6.0-3.3.1 · SUSE:HPE Helion OpenStack 8Package registry (OSV)
suse:ansible2.7.8-bp150.3.6.1 · SUSE:Package Hub 12Package registry (OSV)
suse:ardana-ansible8.0+git.1596735237.54109b1-3.77.1 · SUSE:HPE Helion OpenStack 8Package registry (OSV)
suse:ardana-cinder8.0+git.1596129856.263f430-3.43.1 · SUSE:HPE Helion OpenStack 8Package registry (OSV)
suse:ardana-glance8.0+git.1593631779.76fa9b7-3.24.1 · SUSE:HPE Helion OpenStack 8Package registry (OSV)
suse:ardana-mq8.0+git.1593618123.678c32b-3.26.1 · SUSE:HPE Helion OpenStack 8Package registry (OSV)
suse:ardana-nova8.0+git.1601298847.dd01585-3.42.1 · SUSE:HPE Helion OpenStack 8Package registry (OSV)
suse:ardana-osconfig8.0+git.1595885113.93abcbc-3.49.1 · SUSE:HPE Helion OpenStack 8Package registry (OSV)
suse:documentation-hpe-helion-openstack-installation8.20201007-1.29.1 · SUSE:HPE Helion OpenStack 8Package registry (OSV)

+4

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Someone with local access to the system can trigger it.
  • A low-privileged account is enough.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted
Attack vector
Local
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

All records