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CVE-2018-16856

23
FAUCET Score

CVE-2018-16856 describes an information exposure vulnerability in Red Hat Openstack Platform Director installations using openstack-octavia before versions 2.0.2-5 and 3.0.1-0.20181009115732. Log files created by Octavia are world-readable and can contain sensitive data, including private keys. This vulnerability has a CVSS score of 7.5 (HIGH), indicating a high potential for confidentiality impact due to unauthenticated network access with low attack complexity. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.0.0, < 2.0.2-5CPE matchmatch criteria
cpe:2.3:a:openstack:octavia:*:*:*:*:*:*:*:*
>= 3.0.0, < 3.0.1-0.20181009115732CPE matchmatch criteria
cpe:2.3:a:openstack:octavia:*:*:*:*:*:*:*:*
12CPE matchmatch criteria
cpe:2.3:a:redhat:openstack:12:*:*:*:*:*:*:*
13CPE matchmatch criteria
cpe:2.3:a:redhat:openstack:13:*:*:*:*:*:*:*
14CPE matchmatch criteria
cpe:2.3:a:redhat:openstack:14:*:*:*:*:*:*:*

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:H/I:N/A:N

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

Exploit Intelligence

EPSS Score
0.88%
Probability of exploitation in next 30 days
EPSS Percentile
55.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0088 is in the 30th percentile among its peer group of 51,485 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 (5)

pippatch availablevia ghsa
Product: octaviaFixed in: 2.1.0
pippatch availablevia ghsa
Product: octaviaFixed in: 3.1.0
redhatpatch availablevia redhat_api
Product: Red Hat OpenStack Platform 13.0 (Queens)Fixed in: openstack-octavia-0:2.0.3-2.el7ost
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenStack Platform 14.0 (Rocky)Fixed in: openstack-octavia-0:3.0.2-0.20181219195054.ec4c88e.el7ost
View patch
redhatend of lifevia redhat_api
Product: Red Hat OpenStack Platform 12 (Pike)Fixed in: openstack-octavia

Vendor Advisories (2)

pipGHSA-qcj3-h27m-mp9xhigh

Openstack Octavia allows Insertion of Sensitive Information into Log File

May 13, 2022
redhatCVE-2018-16856Moderate

openstack-octavia: Private keys written to world-readable log files

Sep 26, 2018

References

bugzilla.redhat.com / show_bug.cgi
Issue TrackingThird Party Advisory