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CVE-2015-5217

CVE-2015-5217 is a CWE-264 vulnerability in ipsilon_project ipsilon. O3 Security detects and blocks CVE-2015-5217 exploitation at runtime via eBPF exploit-chain detection and L7 egress monitoring, even on unpatched systems.

providers/saml2/admin.py in the Identity Provider (IdP) server in Ipsilon 0.1.0 before 1.0.1 does not properly check permissions to update the SAML2 Service Provider (SP) owner, which…

Published
Nov 17, 2015
Updated
Jun 17, 2026
Affected
0 pkgs
Patched
None yet
Exploits
None indexed

Description

providers/saml2/admin.py in the Identity Provider (IdP) server in Ipsilon 0.1.0 before 1.0.1 does not properly check permissions to update the SAML2 Service Provider (SP) owner, which allows remote authenticated users to cause a denial of service via a duplicate SP name.

Affected Products

1 product · 6 configurations
Application
ipsilonipsilon_project
6 versions
0.1.00.3.00.4.00.5.00.6.01.0.0

Detection & mitigation playbook

Vendor / appliance
  1. Detect

    Inventory every ipsilon_project ipsilon deployment and check each version against the affected-products list above. Because the exploit targets the running system rather than your application code, also watch for exploitation at the network and runtime layer — O3 flags the exploit behaviour from runtime telemetry and egress traffic even before a vulnerable build is confirmed.

  2. Remediation status

    No patch has shipped for CVE-2015-5217 yet — track the ipsilon_project ipsilon advisory for a fixed release and apply the workarounds below in the meantime.

  3. Mitigate without a patch

    Cut exposure now: restrict the management/admin interface to trusted networks, segment the device, and apply the vendor's recommended configuration mitigations and any WAF/IPS signature. O3's runtime protection blocks the exploit chain at execution, holding the line on unpatched or end-of-life systems until you can patch.

  4. How O3 protects you

    O3 detects and blocks CVE-2015-5217 exploitation at runtime: eBPF exploit-chain detection, plus L7 egress monitoring that catches the post-exploitation callback and severs the attacker's outbound channel.

Tailored to CVE-2015-5217. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

providers/saml2/admin.py in the Identity Provider (IdP) server in Ipsilon 0.1.0 before 1.0.1 does not properly check permissions to update the SAML2 Service Provider (SP) owner, which allows remote authenticated users to cause a denial of service via a duplicate SP name.
O3 Security · Runtime Protection

Is CVE-2015-5217 being exploited in your environment?

O3's eBPF runtime sensors and L7 egress monitoring detect and block the CVE-2015-5217 exploit chain at execution — protecting unpatched and end-of-life systems until the vendor patch is applied.