What’s Vulnerable › Vulnerabilities

CVE-2015-9543

• Severity: low (CVSS 3.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-02-19 · updated 2026-06-17
• Weakness: CWE-200

Description

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.

Affected products

• OpenStack Nova: before 18.2.4; from 19.0.0 before 19.1.0; from 20.0.0 before 20.1.0 — fixed in 18.2.4, 19.1.0, 20.1.0

How to fix

Upgrade to a fixed version: OpenStack Nova 18.2.4, 19.1.0, 20.1.0. Check the vendor advisory for mitigations.

References

• http://www.openwall.com/lists/oss-security/2020/02/19/2
• https://launchpad.net/bugs/1492140
• https://review.opendev.org/220622
• https://security.openstack.org/ossa/OSSA-2020-001.html
• http://www.openwall.com/lists/oss-security/2020/02/19/2
• https://launchpad.net/bugs/1492140
• https://review.opendev.org/220622
• https://security.openstack.org/ossa/OSSA-2020-001.html

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