CVE-2015-9543

Console token disclosure via verbose logging

Published Feb 19, 2020 · Updated Aug 6, 2024

OpenStack Nova before 18.2.4, 19.x before 19.1.0, or 20.x before 20.1.0 lets local log readers obtain console tokens. NovaProxyRequestHandlerBase.new_websocket_client logs connection information containing the consoleauth token without masking it, and the consoleauth manager logs received tokens in clear form. Exploitation requires read access to Nova service logs and a novncproxy deployment; stolen tokens can be used to access instance consoles.

CVSS severity3.3
Low
EPSS probability0.41%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

OpenStack Nova before 18.2.4, 19.x before 19.1.0, or 20.x before 20.1.0 lets local log readers obtain console tokens. NovaProxyRequestHandlerBase.new_websocket_client logs connection information containing the consoleauth token without masking it, and the consoleauth manager logs received tokens in clear form. Exploitation requires read access to Nova service logs and a novncproxy deployment; stolen tokens can be used to access instance consoles.

The record

CVE
CVE-2015-9543
Published
Feb 19, 2020
Updated
Aug 6, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-200, T1552.001
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Feb 19, 2020CVE publishedPublication date reported by the CVE source.
  2. Aug 6, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

2.1NVDAV:L/AC:L/Au:N/C:P/I:N/A:N
3.3NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-200Exposure of Sensitive Information to an Unauthorized Actor
T1552.001Credentials from Password Stores: Credentials In Files

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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