SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2019-17339

The VirtualRouter component of TIBCO Software Inc.'s TIBCO Silver Fabric contains a vulnerability that theoretically allows an attacker to inject scripts via URLs.

HIGH 8.1EPSS 0.84%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.84%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 3.1
8.1 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
EPSS
0.84% probability · 58th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Affected
tibco/silver fabric
Source
security@tibco.com
EPSS trend
0%3%5%26 October 2026: 0.84%26 October 202626 October 2026

EPSS 0.8% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.