CVE-2019-8991

Name: CVE-2019-8991
Creator: NVD / NIST
Published: 2019-04-24T21:29:01.163+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.95%

Last modified Jun 17, 2026

CVE-2019-8991 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. The administrator web interface of TIBCO Software Inc.'s TIBCO ActiveMatrix BPM, TIBCO ActiveMatrix BPM Distribution for TIBCO Silver Fabric, TIBCO ActiveMatrix Policy Director, TIBCO ActiveMatrix Service Bus, TIBCO ActiveMatrix Service Grid, TIBCO Silver Fabric Enabler for ActiveMatrix BPM, and TIBCO Silver Fabric Enabler for ActiveMatrix Service Grid contains multiple vulnerabilities that may allow for cross-site scripting (XSS) and cross-site request forgery (CSRF) attacks. Affected releases are TIBCO Software Inc.'s TIBCO ActiveMatrix BPM: versions up to and including 4.2.0, TIBCO ActiveMatrix BPM Distribution for TIBCO Silver Fabric: versions up to and including 4.2.0, TIBCO ActiveMatrix Policy Director: versions up to and including 1.1.0, TIBCO ActiveMatrix Service Bus: versions up to and including 3.3.0, TIBCO ActiveMatrix Service Grid: versions up to and including 3.3.1, TIBCO Silver Fabric Enabler for ActiveMatrix BPM: versions up to and including 1.4.1, and TIBCO Silver Fabric Enabler for ActiveMatrix Service Grid: versions up to and including 1.3.1.. EPSS estimates a 0.95% chance of exploitation in the next 30 days.

Description

The administrator web interface of TIBCO Software Inc.'s TIBCO ActiveMatrix BPM, TIBCO ActiveMatrix BPM Distribution for TIBCO Silver Fabric, TIBCO ActiveMatrix Policy Director, TIBCO ActiveMatrix Service Bus, TIBCO ActiveMatrix Service Grid, TIBCO Silver Fabric Enabler for ActiveMatrix BPM, and TIBCO Silver Fabric Enabler for ActiveMatrix Service Grid contains multiple vulnerabilities that may allow for cross-site scripting (XSS) and cross-site request forgery (CSRF) attacks. Affected releases are TIBCO Software Inc.'s TIBCO ActiveMatrix BPM: versions up to and including 4.2.0, TIBCO ActiveMatrix BPM Distribution for TIBCO Silver Fabric: versions up to and including 4.2.0, TIBCO ActiveMatrix Policy Director: versions up to and including 1.1.0, TIBCO ActiveMatrix Service Bus: versions up to and including 3.3.0, TIBCO ActiveMatrix Service Grid: versions up to and including 3.3.1, TIBCO Silver Fabric Enabler for ActiveMatrix BPM: versions up to and including 1.4.1, and TIBCO Silver Fabric Enabler for ActiveMatrix Service Grid: versions up to and including 1.3.1.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

0.95%

56.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Tibco	Activematrix Bpm	<= 4.2.0
Tibco	Activematrix Policy Director	<= 1.1.0
Tibco	Activematrix Service Bus	<= 3.3.0
Tibco	Activematrix Service Grid	<= 3.3.0
Tibco	Activematrix Service Grid	<= 3.3.1
Tibco	Silver Fabric Enabler	<= 1.3.1
Tibco	Silver Fabric Enabler	<= 1.4.1

References

http://www.securityfocus.com/bid/108059Broken 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-24-2019-tibco-active-matrix-service-grid-2019-8991Vendor Advisory
http://www.securityfocus.com/bid/108059Broken 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-24-2019-tibco-active-matrix-service-grid-2019-8991Vendor Advisory

Timeline

Published: Apr 24, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-8991?

How severe is CVE-2019-8991?

CVE-2019-8991 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.95% probability of exploitation in the next 30 days.

How do I fix CVE-2019-8991?

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-2019-8991?

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

Scan your code now

Source: NVD / NIST