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CVE-2015-9543

OpenStack Nova can leak consoleauth token into log files

3.3 LowFix available

An issue was discovered in OpenStack Nova before 18.2.4, 19.x before 19.1.0, and 20.x before 20.1.0. It can leak consoleauth tokens into log files. An attacker with read access to the service's logs may obtain tokens used for console access. All Nova setups using novncproxy are affected. This is related to NovaProxyRequestHandlerBase.new_websocket_client in console/websocketproxy.py.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
Low
Integrity
None
Availability
None

Exploit likelihood

0.41%Down 0.5 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 3.3

An issue was discovered in OpenStack Nova before 18.2.4, 19.x before 19.1.0, and 20.x before 20.1.0. It can leak consoleauth tokens into log files. An attacker with read access to the service's logs may obtain tokens used for console access. All Nova setups using novncproxy are affected. This is related to NovaProxyRequestHandlerBase.new_websocket_client in console/websocketproxy.py.

Record
CVE-2015-9543
CVSS 3.1
3.3 LowCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CVSS 2.0
2.1 LowAV:L/AC:L/Au:N/C:P/I:N/A:N
Weakness
CWE-200
Updated
2026-11-02
CVE List No score

An issue was discovered in OpenStack Nova before 18.2.4, 19.x before 19.1.0, and 20.x before 20.1.0. It can leak consoleauth tokens into log files. An attacker with read access to the service's logs may obtain tokens used for console access. All Nova setups using novncproxy are affected. This is related to NovaProxyRequestHandlerBase.new_websocket_client in console/websocketproxy.py.

Record
CVE-2015-9543
Updated
2026-11-02
EUVDEUVD-2022-1881 No score

An issue was discovered in OpenStack Nova before 18.2.4, 19.x before 19.1.0, and 20.x before 20.1.0. It can leak consoleauth tokens into log files. An attacker with read access to the service's logs may obtain tokens used for console access. All Nova setups using novncproxy are affected. This is related to NovaProxyRequestHandlerBase.new_websocket_client in console/websocketproxy.py.

Record
EUVD-2022-1881
Updated
2026-11-03
GitHub AdvisoriesGHSA-22jm-4hxw-35jf 3.3

OpenStack Nova can leak consoleauth token into log files

An issue was discovered in OpenStack Nova before 18.2.4, 19.x before 19.1.0, and 20.x before 20.1.0. It can leak consoleauth tokens into log files. An attacker with read access to the service's logs may obtain tokens used for console access. All Nova setups using novncproxy are affected. This is related to NovaProxyRequestHandlerBase.new_websocket_client in console/websocketproxy.py.

Record
GHSA-22jm-4hxw-35jf
CVSS 3.1
3.3 LowCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-200
Updated
2026-11-02
OSV 3.3

An issue was discovered in OpenStack Nova before 18.2.4, 19.x before 19.1.0, and 20.x before 20.1.0. It can leak consoleauth tokens into log files. An attacker with read access to the service's logs may obtain tokens used for console access. All Nova setups using novncproxy are affected. This is related to NovaProxyRequestHandlerBase.new_websocket_client in console/websocketproxy.py.

Record
CVE-2015-9543
CVSS 3.1
3.3 LowCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Updated
2026-11-02
OSVDEBIAN-CVE-2015-9543 3.3

An issue was discovered in OpenStack Nova before 18.2.4, 19.x before 19.1.0, and 20.x before 20.1.0. It can leak consoleauth tokens into log files. An attacker with read access to the service's logs may obtain tokens used for console access. All Nova setups using novncproxy are affected. This is related to NovaProxyRequestHandlerBase.new_websocket_client in console/websocketproxy.py.

Record
DEBIAN-CVE-2015-9543
CVSS 3.1
3.3 LowCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Updated
2026-11-02
Show 4 moreShow less
OSVGHSA-22jm-4hxw-35jf 3.3

OpenStack Nova can leak consoleauth token into log files

An issue was discovered in OpenStack Nova before 18.2.4, 19.x before 19.1.0, and 20.x before 20.1.0. It can leak consoleauth tokens into log files. An attacker with read access to the service's logs may obtain tokens used for console access. All Nova setups using novncproxy are affected. This is related to NovaProxyRequestHandlerBase.new_websocket_client in console/websocketproxy.py.

Record
GHSA-22jm-4hxw-35jf
CVSS 3.1
3.3 LowCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-200
Updated
2026-11-02
OSVPYSEC-2026-857 3.3

OpenStack Nova can leak consoleauth token into log files

An issue was discovered in OpenStack Nova before 18.2.4, 19.x before 19.1.0, and 20.x before 20.1.0. It can leak consoleauth tokens into log files. An attacker with read access to the service's logs may obtain tokens used for console access. All Nova setups using novncproxy are affected. This is related to NovaProxyRequestHandlerBase.new_websocket_client in console/websocketproxy.py.

Record
PYSEC-2026-857
CVSS 3.1
3.3 LowCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Updated
2026-11-02
OSVUBUNTU-CVE-2015-9543 3.3

An issue was discovered in OpenStack Nova before 18.2.4, 19.x before 19.1.0, and 20.x before 20.1.0. It can leak consoleauth tokens into log files. An attacker with read access to the service's logs may obtain tokens used for console access. All Nova setups using novncproxy are affected. This is related to NovaProxyRequestHandlerBase.new_websocket_client in console/websocketproxy.py.

Record
UBUNTU-CVE-2015-9543
CVSS 3.1
3.3 LowCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Updated
2026-11-02
OSVUSN-5866-1 No score

nova vulnerabilities

It was discovered that Nova did not properly manage data logged into the log file. An attacker with read access to the service's logs could exploit this issue and may obtain sensitive information. This issue only affected Ubuntu 16.04 ESM and Ubuntu 18.04 LTS. (CVE-2015-9543)

It was discovered that Nova did not properly handle attaching and reattaching the encrypted volume. An attacker could possibly use this issue to perform a denial of service attack. This issue only affected Ubuntu 16.04 ESM. (CVE-2017-18191)

It was discovered that Nova did not properly handle the updation of domain XML after live migration. An attacker could possibly use this issue to corrupt the volume or perform a denial of service attack. This issue only affected Ubuntu 18.04 LTS. (CVE-2020-17376)

It was discovered that Nova was not properly validating the URL passed to noVNC. An attacker could possibly use this issue by providing malicious URL to the noVNC proxy to redirect to any desired URL. This issue only affected Ubuntu 16.04 ESM and Ubuntu 18.04 LTS. (CVE-2021-3654)

It was discovered that Nova did not properly handle changes in the neutron port of vnic_type type. An authenticated user could possibly use this issue to perform a denial of service attack. This issue only affected Ubuntu 20.04 LTS. (CVE-2022-37394)

Record
USN-5866-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
nova
PyPI
 before 18.2.4
18.2.4
nova
PyPI
 19.0.0 up to 19.1.0
19.1.0
nova
PyPI
 20.0.0 up to 20.1.0
20.1.0
nova
Debian:12
 before 2:20.1.1-1
2:20.1.1-1
nova
Debian:13
 before 2:20.1.1-1
2:20.1.1-1
nova
Debian:14
 before 2:20.1.1-1
2:20.1.1-1
nova
PyPI
 before 18.2.4, plus listed versions
15.1.516.1.616.1.716.1.817.0.10
Show 13 moreShow less
17.0.1117.0.1217.0.1317.0.717.0.817.0.918.0.218.0.318.1.018.2.018.2.118.2.218.2.3
18.2.4
nova
PyPI
 19.0.0 up to 19.1.0, plus listed versions
19.0.119.0.219.0.3
19.1.0
nova
PyPI
 20.0.0 up to 20.1.0, plus listed versions
20.0.1
20.1.0
nova
PyPI
 before 18.2.4, 19.0.0 up to 19.1.0, 20.0.0 up to 20.1.0, plus listed versions
15.1.516.1.616.1.716.1.817.0.10
Show 17 moreShow less
17.0.1117.0.1217.0.1317.0.717.0.817.0.918.0.218.0.318.1.018.2.018.2.118.2.218.2.319.0.119.0.219.0.320.0.1
18.2.419.1.020.1.0
Show 4 moreShow less
Affected packages
PackageAffectedFixed
nova
Ubuntu:Pro:16.04:LTS
 before 2:13.1.4-0ubuntu4.5+esm1, plus listed versions
2:12.0.0-0ubuntu22:13.0.0~b1-0ubuntu12:13.0.0~b2-0ubuntu12:13.0.0~b3-0ubuntu12:13.0.0~rc1-0ubuntu1
Show 18 moreShow less
2:13.0.0~rc3-0ubuntu12:13.0.0-0ubuntu12:13.0.0-0ubuntu22:13.0.0-0ubuntu52:13.1.0-0ubuntu12:13.1.1-0ubuntu12:13.1.1-0ubuntu1.12:13.1.2-0ubuntu22:13.1.3-0ubuntu12:13.1.3-0ubuntu22:13.1.4-0ubuntu12:13.1.4-0ubuntu22:13.1.4-0ubuntu32:13.1.4-0ubuntu4.12:13.1.4-0ubuntu4.22:13.1.4-0ubuntu4.32:13.1.4-0ubuntu4.42:13.1.4-0ubuntu4.5
2:13.1.4-0ubuntu4.5+esm1
nova
Ubuntu:18.04:LTS
 before 2:17.0.13-0ubuntu5.3, plus listed versions
2:16.0.1-0ubuntu12:16.0.1-0ubuntu22:17.0.0~b1-0ubuntu12:17.0.0~b2-0ubuntu22:17.0.0~b3-0ubuntu3
Show 25 moreShow less
2:17.0.0~b3-0ubuntu42:17.0.0~rc1-0ubuntu12:17.0.0~rc2-0ubuntu12:17.0.0~rc3-0ubuntu12:17.0.0-0ubuntu12:17.0.1-0ubuntu12:17.0.3-0ubuntu12:17.0.4-0ubuntu12:17.0.5-0ubuntu12:17.0.5-0ubuntu22:17.0.6-0ubuntu12:17.0.7-0ubuntu12:17.0.7-0ubuntu22:17.0.9-0ubuntu12:17.0.9-0ubuntu32:17.0.10-0ubuntu22:17.0.10-0ubuntu2.12:17.0.11-0ubuntu12:17.0.12-0ubuntu12:17.0.13-0ubuntu12:17.0.13-0ubuntu22:17.0.13-0ubuntu32:17.0.13-0ubuntu42:17.0.13-0ubuntu52:17.0.13-0ubuntu5.2
2:17.0.13-0ubuntu5.3
nova
Ubuntu:20.04:LTS
 before 2:21.0.0~b1~git2019120415.45fb747c98-0ubuntu1, plus listed versions
2:20.0.0-0ubuntu1
2:21.0.0~b1~git2019120415.45fb747c98-0ubuntu1
nova
Ubuntu:20.04:LTS
 before 2:21.2.4-0ubuntu2.2, plus listed versions
2:20.0.0-0ubuntu12:21.0.0~b1~git2019120415.45fb747c98-0ubuntu12:21.0.0~b2~git2020021008.1fcd74730d-0ubuntu22:21.0.0~b2~git2020021008.1fcd74730d-0ubuntu42:21.0.0~b2~git2020021008.1fcd74730d-0ubuntu5
Show 13 moreShow less
2:21.0.0~b3~git2020041013.57ff308d6d-0ubuntu22:21.0.0-0ubuntu0.20.04.12:21.0.0-0ubuntu0.20.04.22:21.1.0-0ubuntu12:21.1.1-0ubuntu22:21.1.2-0ubuntu12:21.2.0-0ubuntu12:21.2.1-0ubuntu12:21.2.2-0ubuntu12:21.2.3-0ubuntu12:21.2.4-0ubuntu12:21.2.4-0ubuntu22:21.2.4-0ubuntu2.1
2:21.2.4-0ubuntu2.2

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2015-9543 is a low vulnerability (CVSS 3.3) in Openstack Nova, published February 19, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.41%, the 35th percentile. Fixed in nova 18.2.4.

References

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