Is CVE-2015-9543 in the CISA KEV catalog?

No. CVE-2015-9543 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2015-9543?

CVE-2015-9543 has a CVSS v3 base score of 3.3 (LOW).

What is the EPSS score for CVE-2015-9543?

CVE-2015-9543 has an EPSS score of 0.41% (33th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2015-9543?

Upgrade nova on debian 11 to 2:20.1.1-1 or later. Fixes are available for 5 affected products.

CVE & CISA-KEV Catalog

CVE-2015-9543

LOW

3.3

CVSS v3

NVD

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.

CWE-200Information Exposure

How to fix

Remediation Available

novaDebian

Fixed in:2:20.1.1-1CVE-2015-9543

novaUbuntu

Fixed in:2:13.1.4-0ubuntu4.5+esm1USN-5866-1

Fixed in:2:17.0.13-0ubuntu5.3USN-5866-1

Fixed in:2:21.2.4-0ubuntu2.2USN-5866-1

nova-commonUbuntu

Fixed in:2:13.1.4-0ubuntu4.5+esm1USN-5866-1

Fixed in:2:17.0.13-0ubuntu5.3USN-5866-1

Fixed in:2:21.2.4-0ubuntu2.2USN-5866-1

python-novaUbuntu

Fixed in:2:13.1.4-0ubuntu4.5+esm1USN-5866-1

Fixed in:2:17.0.13-0ubuntu5.3USN-5866-1

python3-novaUbuntu

Fixed in:2:21.2.4-0ubuntu2.2USN-5866-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.41%probability of exploitation in 30 days

33rdpercentile

Low risk: more likely to be exploited than 33% of all known CVEs.

References

Patch2

Third-Party Advisory2

Related Vulnerabilities

Other CWE-200 (Information Exposure) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-24919	High	8.6	100%	KEV + Ransom	-
CVE-2020-14181	Medium	5.3	100%	-	Fix
CVE-2021-34429	Medium	5.3	99%	-	Fix
CVE-2018-11409	Medium	5.3	98%	-	-
CVE-2021-41277	Critical	10.0	97%	KEV	-
CVE-2016-2183	High	7.5	96%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.