Is CVE-2015-5963 in the CISA KEV catalog?

No. CVE-2015-5963 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2015-5963?

CVE-2015-5963 has a CVSS v2 base score of 5.0 (MEDIUM).

What is the EPSS score for CVE-2015-5963?

CVE-2015-5963 has an EPSS score of 5.16% (91th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2015-5963?

Upgrade python-django on debian 11 to 1.7.10-1 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2015-5963

MEDIUMEPSS 91th pctl

5.0

CVSS v2

NVD

Description

contrib.sessions.middleware.SessionMiddleware in Django 1.8.x before 1.8.4, 1.7.x before 1.7.10, 1.4.x before 1.4.22, and possibly other versions allows remote attackers to cause a denial of service (session store consumption or session record removal) via a large number of requests to contrib.auth.views.logout, which triggers the creation of an empty session record.

CWE-399Resource Management Errors

How to fix

Remediation Available

python-djangoDebian

Fixed in:1.7.10-1CVE-2015-5963

python-djangoUbuntu

Fixed in:1.6.1-2ubuntu0.10USN-2720-1

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

5.16%probability of exploitation in 30 days

91stpercentile

High risk: more likely to be exploited than 91% of all known CVEs.

References

Patch1

djangoproject.com

Third-Party Advisory2

Other references10

Related Vulnerabilities

Other CWE-399 (Resource Management Errors) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2009-3103	High	10.0	90%	-	-
CVE-2009-0075	High	9.3	85%	-	-
CVE-2005-1790	Low	2.6	83%	-	-
CVE-2010-0806	High	8.8	82%	KEV	-
CVE-2009-2526	High	7.8	82%	-	-
CVE-2015-1868	High	7.8	82%	-	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 2026-05-06.