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CVE-2015-5217

15
FAUCET Score

CVE-2015-5217 describes a denial-of-service vulnerability in Ipsilon versions 0.1.0 through 1.0.0. An authenticated attacker can exploit a flaw in the SAML2 Service Provider (SP) owner update function by submitting a duplicate SP name, leading to a denial of service. This vulnerability has a CVSS score of 4.0 (AV:N/AC:L/Au:S/C:N/I:N/A:P), indicating a low severity with network access, low attack complexity, requiring authentication, and resulting in partial availability impact. There is no known active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
0.1.0CPE matchmatch criteria
cpe:2.3:a:ipsilon_project:ipsilon:0.1.0:*:*:*:*:*:*:*
0.3.0CPE matchmatch criteria
cpe:2.3:a:ipsilon_project:ipsilon:0.3.0:*:*:*:*:*:*:*
0.4.0CPE matchmatch criteria
cpe:2.3:a:ipsilon_project:ipsilon:0.4.0:*:*:*:*:*:*:*
0.5.0CPE matchmatch criteria
cpe:2.3:a:ipsilon_project:ipsilon:0.5.0:*:*:*:*:*:*:*
0.6.0CPE matchmatch criteria
cpe:2.3:a:ipsilon_project:ipsilon:0.6.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.0MEDIUM

AV:N/AC:L/Au:S/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Exploitability Score
8.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.30%
Probability of exploitation in next 30 days
EPSS Percentile
67.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0130 is in the 81st percentile among its peer group of 21,939 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

pippatch availablevia ghsa
Product: ipsilonFixed in: 1.2.0
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: ipsilon

Vendor Advisories (2)

pipGHSA-6875-ff47-r6p6medium

Ipsilon denial of service via a duplicate SP name

May 17, 2022
redhatCVE-2015-5217Moderate

ipsilon: Input validation flaw in handling of user supplied data

Aug 19, 2015

References

bugzilla.redhat.com / show_bug.cgi
fedorahosted.org / ipsilon/wiki/Releases/v1.0.1
pagure.io / ipsilon/826e6339441546f596320f3d73304ab5f7c10de6
openwall.com / lists/oss-security/2015/10/27/8