Is CVE-2019-17339 actively exploited?

No active exploitation of CVE-2019-17339 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2019-17339 be exploited remotely?

Yes. CVE-2019-17339 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2019-17339?

CVE-2019-17339 has a CVSS score of 8.1 (HIGH).

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HIGH

CVE-2019-17339

NVD-CWE-noinfoPublished: August 11, 2020· Updated: Jun 17, 2026

8.1

CVSS v3.1

Official Description

The VirtualRouter component of TIBCO Software Inc.'s TIBCO Silver Fabric contains a vulnerability that theoretically allows an attacker to inject scripts via URLs. The attacker could theoretically social engineer an authenticated user into submitting the URL, thus executing the script on the affected system with the privileges of the user. Affected releases are TIBCO Software Inc.'s TIBCO Silver Fabric: versions 6.0.0 and below.

NVD Source

Technical Analysis

CVE-2019-17339 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), with a CVSS base score of 8.1.