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CVE-2015-3156

16
FAUCET Score

CVE-2015-3156 describes a local privilege escalation vulnerability in OpenStack DBaaS (Trove) versions prior to 2015.1.0 (Kilo). Multiple functions across various datastore services within Trove are susceptible to a symlink attack on temporary files, allowing a local attacker to write to arbitrary configuration files. This vulnerability has a CVSSv3 score of 5.5 (Medium), indicating low attack complexity and local access requirements, with a high impact on integrity. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2014.2.4CPE matchmatch criteria
cpe:2.3:a:openstack:trove:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.5MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.46%
Probability of exploitation in next 30 days
EPSS Percentile
37.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0046 is in the 91st percentile among its peer group of 15,938 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 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 (3)

pippatch availablevia ghsa
Product: troveFixed in: 4.0.0a0
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux OpenStack Platform 5 (Icehouse)Fixed in: openstack-trove
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux OpenStack Platform 6 (Juno)Fixed in: openstack-trove

Vendor Advisories (2)

pipGHSA-98c8-36p9-gw66medium

Openstack DBaaS (Trove) Improper Link Resolution Before File Access

May 17, 2022
redhatCVE-2015-3156Low

openstack-trove: multiple insecure /tmp file usage issues

Dec 22, 2014

References

bugs.launchpad.net / trove/+bug/1398195
Issue TrackingThird Party AdvisoryVDB Entry
bugzilla.redhat.com / show_bug.cgi
Issue TrackingThird Party AdvisoryVDB Entry
github.com / openstack/trove/blob/master/trove/guestagent/datastore/experimental/cassandra/service.py
Third Party Advisory
github.com / openstack/trove/blob/master/trove/guestagent/datastore/experimental/mongodb/service.py
Third Party Advisory
github.com / openstack/trove/blob/master/trove/guestagent/datastore/experimental/redis/service.py
Third Party Advisory
github.com / openstack/trove/blob/master/trove/guestagent/datastore/mysql/service.py
Third Party Advisory
github.com / openstack/trove/blob/master/trove/guestagent/strategies/backup/experimental/couchbase_impl.py
Third Party Advisory
github.com / openstack/trove/blob/master/trove/guestagent/strategies/backup/mysql_impl.py
Third Party Advisory
github.com / openstack/trove/blob/master/trove/guestagent/strategies/backup/mysql_impl.py
Third Party Advisory
github.com / openstack/trove/blob/master/trove/guestagent/strategies/backup/mysql_impl.py
Third Party Advisory
github.com / openstack/trove/blob/master/trove/guestagent/strategies/restore/mysql_impl.py
Third Party Advisory