CVE-2017-10873

Name: CVE-2017-10873
Creator: NVD / NIST
Published: 2017-11-02T15:29:00.29+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.1/10EPSS 2.63%

Last modified Jun 17, 2026

CVE-2017-10873 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. OpenAM (Open Source Edition) allows an attacker to bypass authentication and access unauthorized contents via unspecified vectors. Note that this vulnerability affects OpenAM (Open Source Edition) implementations configured as SAML 2.0IdP, and switches authentication methods based on AuthnContext requests sent from the service provider.. EPSS estimates a 2.63% chance of exploitation in the next 30 days.

Description

OpenAM (Open Source Edition) allows an attacker to bypass authentication and access unauthorized contents via unspecified vectors. Note that this vulnerability affects OpenAM (Open Source Edition) implementations configured as SAML 2.0IdP, and switches authentication methods based on AuthnContext requests sent from the service provider.

Metrics

CVSS 3.1

8.1/10

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

2.63%

83.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-287

Affected Software

Vendor	Product	Versions
Osstech	Openam	>= 9.5.5, <= 9.5.5-41
Osstech	Openam	>= 11.0.0, <= 11.0.0-112
Osstech	Openam	>= 13.0.0, <= 13.0.0-73

References

https://jvn.jp/en/jp/JVN79546124/Third Party Advisory, VDB Entry
https://www.cs.themistruct.com/Third Party Advisory
https://www.osstech.co.jp/support/am2017-2-1-enPatch, Vendor Advisory
https://jvn.jp/en/jp/JVN79546124/Third Party Advisory, VDB Entry
https://www.cs.themistruct.com/Third Party Advisory
https://www.osstech.co.jp/support/am2017-2-1-enPatch, Vendor Advisory

Timeline

Published: Nov 2, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-10873?

How severe is CVE-2017-10873?

CVE-2017-10873 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 2.63% probability of exploitation in the next 30 days.

How do I fix CVE-2017-10873?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-10873?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST