CVE-2015-5301

providers/saml2/admin.py in the Identity Provider (IdP) server in Ipsilon 0.1.0 before 1.0.2 and 1.1.x before 1.1.1 does not properly check permissions, which allows remote authenticated users to cause a denial of service by deleting a SAML2 Service Provider (SP).

Published: 2015-11-17 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2015-5301 is rated Moderate Risk (46.2/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.72%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2015-5301

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-03-30 1.01% 0.72% -0.30%
2 2025-03-29 0.72% 1.01% +0.30%
3 2025-03-17 — 0.72% —

Full EPSS history (5 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-5301

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.5 2.0 MEDIUM
AV:N/AC:L/Au:S/C:N/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 8.0 4.9 [email protected]

Weakness enumeration for CVE-2015-5301

GitHub Security Advisory for CVE-2015-5301

GHSA-9qp4-79q8-58pr · Severity: medium · Ecosystem: pip — Ipsilon denial of service by deleting a SAML2 Service Provider (SP)

OS Trackers for CVE-2015-5301

vendor priority summary link
redhat medium — https://access.redhat.com/security/cve/CVE-2015-5301

Affected software / configurations for CVE-2015-5301

Vendor Product Version Raw CPE
ipsilon_project ipsilon 0.1.0 cpe:2.3:a:ipsilon_project:ipsilon:0.1.0:*:*:*:*:*:*:*
ipsilon_project ipsilon 0.3.0 cpe:2.3:a:ipsilon_project:ipsilon:0.3.0:*:*:*:*:*:*:*
ipsilon_project ipsilon 0.4.0 cpe:2.3:a:ipsilon_project:ipsilon:0.4.0:*:*:*:*:*:*:*
ipsilon_project ipsilon 0.5.0 cpe:2.3:a:ipsilon_project:ipsilon:0.5.0:*:*:*:*:*:*:*
ipsilon_project ipsilon 0.6.0 cpe:2.3:a:ipsilon_project:ipsilon:0.6.0:*:*:*:*:*:*:*
ipsilon_project ipsilon 1.0.0 cpe:2.3:a:ipsilon_project:ipsilon:1.0.0:*:*:*:*:*:*:*
ipsilon_project ipsilon 1.0.1 cpe:2.3:a:ipsilon_project:ipsilon:1.0.1:*:*:*:*:*:*:*
ipsilon_project ipsilon 1.1.0 cpe:2.3:a:ipsilon_project:ipsilon:1.1.0:*:*:*:*:*:*:*

References for CVE-2015-5301

cvelogic Threat Intelligence