CVE-2017-12815: Analysis of the Bomgar Remote Support Portal JavaStart.jar Applet 52790 and earlier revealed that it is vulner

This week

CRITICAL 10.0REMOTEMITIGATE

CVE-2017-12815 is a critical-severity flaw (CVSS 10.0) affecting remote support. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 sy

Why this priority

Critical severity
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	10.0 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.0% (top 20%)
CISA exploited list	No
Weakness	CWE-22
Published	2018-03-26
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: bomgar

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2018-03-26 21:29 UTCPublished CVE record published
2026-06-17 01:03 UTCUpdated Record last modified

bomgar remote support MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy remote-support || rpm -q remote-support || remote-support --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2017-12815?

remote support: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2017-12815 being exploited?

CVE-2017-12815 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2017-12815 affect?

CVE-2017-12815 affects remote support. Severity is critical (CVSS 10.0). 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 http

How urgent is CVE-2017-12815?

Priority 60/100. Critical severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2026-102764 CRITICAL 9.8 EXPLOITED UPGRADE BeyondTrust Remote Support Authentication Bypass by Spoofing Vulnerability
CVE-2026-40141 CRITICAL 9.9 UPGRADE UPGRADE A high-severity vulnerability exists in a web application component of BeyondTrust Remote Support and Privileg
CVE-2026-40140 HIGH 7.5 UPGRADE UPGRADE BeyondTrust Remote Support and Privileged Remote Access contain a high-severity pre-authentication vulnerabili
CVE-2026-40139 CRITICAL 9.8 UPGRADE UPGRADE A critical pre-authentication vulnerability exists in the authentication subsystem of BeyondTrust Remote Suppo
CVE-2026-40138 HIGH 8.1 UPGRADE UPGRADE A critical pre-authentication vulnerability exists in the authentication subsystem of BeyondTrust Remote Suppo

References

← Back to latest CVEs