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CVE-2019-8978

8.1 · HIGH

An improper authentication vulnerability can be exploited through a race condition that occurs in Ellucian Banner Web Tailor 8.8.3, 8.8.4, and 8.9 and Banner Enterprise Identity Services 8.3, 8.3.1…

Published May 14, 2019CWE-287EPSS 5.86%

Overview

CVE-2019-8978 is a high-severity vulnerability. It was published on May 14, 2019 and has a CVSS 3.0 base score of 8.1 (HIGH).

This vulnerability has a CVSS 3.0 base score of 8.1, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

An improper authentication vulnerability can be exploited through a race condition that occurs in Ellucian Banner Web Tailor 8.8.3, 8.8.4, and 8.9 and Banner Enterprise Identity Services 8.3, 8.3.1, 8.3.2, and 8.4, in conjunction with SSO Manager. This vulnerability allows remote attackers to steal a victim's session (and cause a denial of service) by repeatedly requesting the initial Banner Web Tailor main page with the IDMSESSID cookie set to the victim's UDCID, which in the case tested is the institutional ID. During a login attempt by a victim, the attacker can leverage the race condition and will be issued the SESSID that was meant for this victim.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refpacketstormsecurity.com/files/152856/Ellucian-Banner-Web-Tailor-Banner-Enterprise-Identity-Services-Improper-Authentication.htmlRefseclists.org/fulldisclosure/2019/May/18Refecommunities.ellucian.com/message/252749#252749Refecommunities.ellucian.com/message/252810#252810Refraw.githubusercontent.com/JoshuaMulliken/CVE-2019-8978/master/README.txtRefseclists.org/bugtraq/2019/May/31Refpacketstormsecurity.com/files/152856/Ellucian-Banner-Web-Tailor-Banner-Enterprise-Identity-Services-Improper-Authentication.htmlRefseclists.org/fulldisclosure/2019/May/18Refecommunities.ellucian.com/message/252749#252749Refecommunities.ellucian.com/message/252810#252810

How CyberStrike helps

Frequently asked questions

What is CVE-2019-8978?

CVE-2019-8978 is a high-severity vulnerability. It was published on May 14, 2019 and has a CVSS 3.0 base score of 8.1 (HIGH).

How severe is CVE-2019-8978?

This vulnerability has a CVSS 3.0 base score of 8.1, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2019-8978?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2019-8978?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2019-8978 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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