HOMEVULNERABILITIESCVE-2019-17330
CRITICAL

CVE-2019-17330

CWE-79Published: November 12, 2019· Updated: Jun 17, 2026

9.6
CVSS v3.1

Official Description

The Web server component of TIBCO Software Inc.'s TIBCO EBX contains multiple vulnerabilities that theoretically allow authenticated users to perform stored cross-site scripting (XSS) attacks, and unauthenticated users to perform reflected cross-site scripting attacks. Affected releases are TIBCO Software Inc.'s TIBCO EBX: versions up to and including 5.8.1.fixR, versions 5.9.3, 5.9.4, 5.9.5, and 5.9.6.

NVD Source

Technical Analysis

CVE-2019-17330 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.6.

The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.

From a weakness classification perspective (CWE-79): Cross-site scripting (XSS) vulnerabilities allow attackers to inject malicious scripts into web pages viewed by other users.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeChanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Affected Vendors & Products

tibco1 product(s)
ebx
Source: NVD CPE · 6 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (4)

Quick Facts

CVE IDCVE-2019-17330
CVSS Score9.6 / 10
SeverityCRITICAL
WeaknessCWE-79
CISA KEVNo
Affected1 vendor(s)
PublishedNov 12, 2019

Related CVEs (CWE-79)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2019-17330 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.