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CVE-2015-9543

14
FAUCET Score

CVE-2015-9543 describes a vulnerability in OpenStack Nova, affecting versions before 18.2.4, 19.1.0, and 20.1.0, specifically impacting setups utilizing novncproxy. The flaw allows consoleauth tokens to be inadvertently leaked into log files, making them accessible to attackers with read privileges to those logs. This vulnerability carries a low severity CVSS score of 3.3, indicating that an attacker with local access to the system could potentially compromise the confidentiality of console access tokens. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 18.2.4CPE matchmatch criteria
cpe:2.3:a:openstack:nova:*:*:*:*:*:*:*:*
>= 19.0.0, < 19.1.0CPE matchmatch criteria
cpe:2.3:a:openstack:nova:*:*:*:*:*:*:*:*
>= 20.0.0, < 20.1.0CPE matchmatch criteria
cpe:2.3:a:openstack:nova:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

3.3LOW

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
1.8
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.41%
Probability of exploitation in next 30 days
EPSS Percentile
33.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0041 is in the 89th percentile among its peer group of 1,511 CVEs.

Social Chatter

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

Remediation

Patch Available

Vendor Patches (3)

pippatch availablevia ghsa
Product: NovaFixed in: 18.2.4
pippatch availablevia ghsa
Product: NovaFixed in: 19.1.0
pippatch availablevia ghsa
Product: NovaFixed in: 20.1.0

Vendor Advisories (2)

pipGHSA-22jm-4hxw-35jflow

OpenStack Nova can leak consoleauth token into log files

May 24, 2022
redhatCVE-2015-9543Low

openstack-nova: leak consoleauth tokens into log files

Sep 4, 2015

References

launchpad.net / bugs/1492140
Issue TrackingThird Party Advisory
review.opendev.org / 220622
Third Party Advisory
security.openstack.org / ossa/OSSA-2020-001.html
PatchVendor Advisory
openwall.com / lists/oss-security/2020/02/19/2
Mailing ListPatchThird Party Advisory