SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2017-12815

Analysis of the Bomgar Remote Support Portal JavaStart.jar Applet 52790 and earlier revealed that it is vulnerable to a path traversal vulnerability.

CRITICAL 10.0EPSS 1.95%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.95%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Analysis of the Bomgar Remote Support Portal JavaStart.jar Applet 52790 and earlier revealed that it is vulnerable to a path traversal vulnerability. The archive can be downloaded from a given Bomgar Remote Support Portal deployment at https://domain/api/content/JavaStart.jar and is callable from an arbitrary website using <object> and/or <appletHTML> tags. Successful exploitation results in file creation/modification/deletion in the operating system and with privileges of the user that ran the Java applet.

CVSS 3.0
10.0 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS
1.95% probability · 80th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-22
Affected
bomgar/remote support
Source
cve@mitre.org
EPSS trend
0%3%5%27 October 2026: 1.95%27 October 202627 October 2026

EPSS 2.0% since 27 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.