CVE-2019-8993

Name: CVE-2019-8993
Creator: NVD / NIST
Published: 2019-04-24T21:29:01.353+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 2.53%

Last modified Jun 17, 2026

CVE-2019-8993 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. The administrative web server component 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 ActiveMatrix Service Grid Distribution for TIBCO Silver Fabric, TIBCO Silver Fabric Enabler for ActiveMatrix BPM, and TIBCO Silver Fabric Enabler for ActiveMatrix Service Grid contains a vulnerability that could theoretically allow an unauthenticated user to download a file with credentials information. 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 ActiveMatrix Service Grid Distribution for TIBCO Silver Fabric: versions up to and including 3.3.0, 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 2.53% chance of exploitation in the next 30 days.

Description

The administrative web server component 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 ActiveMatrix Service Grid Distribution for TIBCO Silver Fabric, TIBCO Silver Fabric Enabler for ActiveMatrix BPM, and TIBCO Silver Fabric Enabler for ActiveMatrix Service Grid contains a vulnerability that could theoretically allow an unauthenticated user to download a file with credentials information. 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 ActiveMatrix Service Grid Distribution for TIBCO Silver Fabric: versions up to and including 3.3.0, 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

9.8/10

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

EPSS Probability

2.53%

82.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-306

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/108056Broken 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-2019-8993Vendor Advisory
http://www.securityfocus.com/bid/108056Broken 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-2019-8993Vendor Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2019-8993?

How severe is CVE-2019-8993?

CVE-2019-8993 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.53% probability of exploitation in the next 30 days.

How do I fix CVE-2019-8993?

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-2019-8993?

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

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Source: NVD / NIST