CVE-2019-8990

Name: CVE-2019-8990
Creator: NVD / NIST
Published: 2019-04-09T18:29:00.953+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.1/10EPSS 2.89%

Last modified Jun 17, 2026

CVE-2019-8990 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. The HTTP Connector component of TIBCO Software Inc.'s TIBCO ActiveMatrix BusinessWorks contains a vulnerability that theoretically allows unauthenticated HTTP requests to be processed by the BusinessWorks engine even when authentication is required. This possibility is restricted to circumstances where HTTP "Basic Authentication" policy is used in conjunction with an XML Authentication resource. EPSS estimates a 2.89% chance of exploitation in the next 30 days.

Description

The HTTP Connector component of TIBCO Software Inc.'s TIBCO ActiveMatrix BusinessWorks contains a vulnerability that theoretically allows unauthenticated HTTP requests to be processed by the BusinessWorks engine even when authentication is required. This possibility is restricted to circumstances where HTTP "Basic Authentication" policy is used in conjunction with an XML Authentication resource. The BusinessWorks engine might instead use credentials from a prior HTTP request for authorization purposes. Affected releases are TIBCO Software Inc. TIBCO ActiveMatrix BusinessWorks: versions up to and including 6.4.2.

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

2.89%

85.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-287

Affected Software

Vendor	Product	Versions
Tibco	Activematrix Businessworks	<= 6.4.2

References

http://www.securityfocus.com/bid/107840Broken Link, Third Party Advisory, VDB Entry
http://www.tibco.com/services/support/advisoriesVendor Advisory
https://www.tibco.com/support/advisories/2019/04/tibco-security-advisory-april-9-2019-tibco-activematrix-businessworksVendor Advisory
http://www.securityfocus.com/bid/107840Broken Link, Third Party Advisory, VDB Entry
http://www.tibco.com/services/support/advisoriesVendor Advisory
https://www.tibco.com/support/advisories/2019/04/tibco-security-advisory-april-9-2019-tibco-activematrix-businessworksVendor Advisory

Timeline

Published: Apr 9, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-8990?

How severe is CVE-2019-8990?

CVE-2019-8990 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 2.89% probability of exploitation in the next 30 days.

How do I fix CVE-2019-8990?

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-2019-8990?

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

Scan your code now

Source: NVD / NIST