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CVE-2019-8993

30
FAUCET Score

CVE-2019-8993 describes a critical vulnerability in the administrative web server component of several TIBCO ActiveMatrix and Silver Fabric products, including ActiveMatrix BPM and Service Grid. This flaw allows an unauthenticated attacker to download a file containing sensitive credentials. With a CVSS score of 9.8 (Critical), the vulnerability is easily exploitable over the network with low attack complexity, posing a high risk to confidentiality, integrity, and availability. While there is no evidence of active exploitation or publicly available exploit code, the vulnerability has garnered significant community discussion, indicating awareness among security researchers.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.2.0CPE matchmatch criteria
cpe:2.3:a:tibco:activematrix_bpm:*:*:*:*:*:*:*:*
<= 4.2.0CPE matchmatch criteria
cpe:2.3:a:tibco:activematrix_bpm:*:*:*:*:*:silver_fabric:*:*
<= 1.1.0CPE matchmatch criteria
cpe:2.3:a:tibco:activematrix_policy_director:*:*:*:*:*:*:*:*
<= 3.3.0CPE matchmatch criteria
cpe:2.3:a:tibco:activematrix_service_bus:*:*:*:*:*:*:*:*
<= 3.3.0CPE matchmatch criteria
cpe:2.3:a:tibco:activematrix_service_grid:*:*:*:*:*:silver_fabric:*:*

CVSS Data

CVSS version used by this source: 3.0

8.6HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
4.0
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.53%
Probability of exploitation in next 30 days
EPSS Percentile
83.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0253 is in the 73rd percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

tibco.com / support/advisories/2019/04/tibco-security-advisory-april-24-2019-tibco-active-matrix-service-grid-2019-8993
Vendor Advisory
securityfocus.com / bid/108056
Broken LinkThird Party AdvisoryVDB Entry
tibco.com / services/support/advisories
Vendor Advisory