Is CVE-2015-5955 in the CISA KEV catalog?

No. CVE-2015-5955 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2015-5955?

CVE-2015-5955 has a CVSS v2 base score of 5.0 (MEDIUM).

What is the EPSS score for CVE-2015-5955?

CVE-2015-5955 has an EPSS score of 1.09% (61th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2015-5955?

Upgrade owncloud client to 3.4.4 or later.

CVE & CISA-KEV Catalog

CVE-2015-5955

MEDIUM

5.0

CVSS v2

NVD

Description

ownCloud iOS app before 3.4.4 does not properly switch state between multiple instances, which might allow remote instance administrators to obtain sensitive credential and cookie information by reading authentication headers.

CWE-522

How to fix

Remediation Available

owncloud clientNVD

Affected:< 3.4.4Fixed in:3.4.4CVE-2015-5955derived from NVD

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

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

1.09%probability of exploitation in 30 days

61stpercentile

Moderate risk: more likely to be exploited than 61% of all known CVEs.

References

Vendor Advisory1

owncloud.org

Related Vulnerabilities

Other CWE-522 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2019-17662	Critical	9.8	97%	-	-
CVE-2020-29583	Critical	9.8	90%	KEV	-
CVE-2021-30116	Critical	10.0	86%	KEV + Ransom	Fix
CVE-2024-44000	Critical	9.8	83%	-	Fix
CVE-2018-9160	Critical	9.8	77%	-	-
CVE-2017-9248	Critical	9.8	75%	KEV	Fix

Embed a live status badge for CVE-2015-5955

Markdown

[![CVE-2015-5955](https://tridentstack.com/cve/badge/CVE-2015-5955.svg)](https://tridentstack.com/cve/CVE-2015-5955)

HTML

<a href="https://tridentstack.com/cve/CVE-2015-5955"><img src="https://tridentstack.com/cve/badge/CVE-2015-5955.svg" alt="CVE-2015-5955"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

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 2026-05-06.