How severe is CVE-2017-10873?

CVE-2017-10873 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-10873 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-10873?

CVE-2017-10873 affects Osstech Openam. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-10873?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2017-10873 published?

CVE-2017-10873 was published on 2017-11-02 and last updated on 2026-06-17.

CVE-2017-10873

CVE-2017-10873 is a high-severity vulnerability in Osstech Openam with a CVSS 3.x base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: High (CVSS 3.x base score 8.1)
CVSS v2: 6.8
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Osstech Openam
Published: 2017-11-02
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2017-10873?: 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.
How severe is CVE-2017-10873?: CVE-2017-10873 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-10873 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-10873?: CVE-2017-10873 affects Osstech Openam. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-10873?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-10873 published?: CVE-2017-10873 was published on 2017-11-02 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:osstech:openam:*:*:*:*:open_source:*:*:*

More vulnerabilities in Osstech Openam

CVE-2018-0696 — High (CVSS 7.5): OpenAM (Open Source Edition) 13.0 and later does not properly manage sessions, which allows remote authenticated…
CVE-2022-31735 — Medium (CVSS 6.1): OpenAM Consortium Edition version 14.0.0 provided by OpenAM Consortium contains an open redirect vulnerability…
CVE-2019-5915 — Medium (CVSS 6.1): Open redirect vulnerability in OpenAM (Open Source Edition) 13.0 allows remote attackers to redirect users to arbitrary…

All CVEs affecting Osstech Openam →

Other CWE-287 (Improper Authentication) vulnerabilities

CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

Browse all CWE-287 (Improper Authentication) vulnerabilities →