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CVE-2018-16849

24
FAUCET Score

CVE-2018-16849 describes a file disclosure vulnerability in Red Hat openstack-mistral. An attacker can manipulate the SSH private key filename in the std.ssh action to check for the existence of arbitrary files on the executor's filesystem. This vulnerability has a CVSS score of 7.5 (High), indicating a high confidentiality impact with no integrity or availability impact, and can be exploited remotely with low complexity. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 7.0.1CPE matchmatch criteria
cpe:2.3:a:redhat:openstack-mistral:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

3.1LOW

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
1.6
Impact Score
1.4
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.52%
Probability of exploitation in next 30 days
EPSS Percentile
72.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0152 is in the 54th percentile among its peer group of 51,553 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (26)

pippatch availablevia ghsa
Product: mistralFixed in: 7.0.1
redhatpatch availablevia redhat_api
Product: Red Hat OpenStack Platform 13.0 (Queens)Fixed in: instack-undercloud-0:8.4.6-6.el7ost
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenStack Platform 13.0 (Queens)Fixed in: openstack-mistral-0:6.0.6-2.el7ost
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenStack Platform 13.0 (Queens)Fixed in: openstack-tripleo-common-0:8.6.6-16.el7ost
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenStack Platform 13.0 (Queens)Fixed in: openstack-tripleo-heat-templates-0:8.2.0-6.1.el7ost
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenStack Platform 13.0 (Queens)Fixed in: openstack-tripleo-image-elements-0:8.0.1-3.el7ost
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenStack Platform 13.0 (Queens)Fixed in: openstack-tripleo-puppet-elements-0:8.0.1-2.el7ost
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenStack Platform 13.0 (Queens)Fixed in: openstack-tripleo-ui-0:8.3.2-3.el7ost
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenStack Platform 13.0 (Queens)Fixed in: openstack-tripleo-validations-0:8.4.4-2.el7ost
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenStack Platform 13.0 (Queens)Fixed in: os-net-config-0:8.4.3-6.el7ost
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenStack Platform 13.0 (Queens)Fixed in: os-refresh-config-0:8.3.1-0.20180918214345.4703b54.el7ost
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenStack Platform 13.0 (Queens)Fixed in: puppet-cinder-0:12.4.1-3.el7ost
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenStack Platform 13.0 (Queens)Fixed in: puppet-keystone-0:12.4.0-4.el7ost
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenStack Platform 13.0 (Queens)Fixed in: python-os-brick-0:2.3.4-2.el7ost
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenStack Platform 13.0 (Queens)Fixed in: python-tripleoclient-0:9.2.6-8.el7ost
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenStack Platform 13.0 (Queens)Fixed in: puppet-manila-0:12.5.0-3.el7ost
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenStack Platform 13.0 (Queens)Fixed in: puppet-neutron-0:12.4.1-4.ed05e01git.el7ost
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenStack Platform 13.0 (Queens)Fixed in: puppet-nova-0:12.4.0-16.el7ost
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenStack Platform 13.0 (Queens)Fixed in: puppet-octavia-0:12.4.0-8.el7ost
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenStack Platform 13.0 (Queens)Fixed in: puppet-opendaylight-0:8.2.2-5.9126c8dgit.el7ost
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenStack Platform 13.0 (Queens)Fixed in: puppet-ovn-0:12.4.0-2.el7ost
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenStack Platform 13.0 (Queens)Fixed in: puppet-pacemaker-0:0.7.2-0.20180423212257.el7ost
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenStack Platform 13.0 (Queens)Fixed in: puppet-swift-0:12.4.0-4.el7ost
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenStack Platform 13.0 (Queens)Fixed in: puppet-tripleo-0:8.3.6-15.el7ost
View patch
redhatvendor investigatingvia nvd_reference
View patch
redhatno patchvia redhat_api
Product: Red Hat OpenStack Platform 15 (Stein)Fixed in: openstack-mistral

Vendor Advisories (2)

pipGHSA-fqw7-c6vr-q29mhigh

openstack-mistral Discloses the presence of arbitrary files within the filesystem

May 13, 2022
redhatCVE-2018-16849Moderate

openstack-mistral: std.ssh action may disclose presence of arbitrary files

Nov 2, 2018

References

bugs.launchpad.net / mistral/+bug/1783708
Third Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingVendor Advisory