CVE-2019-13585: The remote admin webserver on FANUC Robotics Virtual Robot Controller 8.23 has a Buffer Overflow via a forged

This week

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2019-13585 is a critical-severity flaw (CVSS 9.8) affecting robotics virtual robot controller. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The remote admin webserver on FANUC Robotics Virtual Robot Controller 8.23 has a Buffer Overflow via a forged HTTP request.

Why this priority

Critical severity
EPSS top 3%: very likely to be exploited
Public exploit reference
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	14.7% (top 3%)
CISA exploited list	No
Weakness	CWE-787
Published	2019-07-17
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: fanucamerica

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

Am I affected?

Timeline

2019-07-17 19:15 UTCPublished CVE record published
2026-06-17 02:17 UTCUpdated Record last modified

fanucamerica robotics virtual robot controller DOWNGRADE

Affected: 8.23

Fixed in: no fixed release known

Safe to downgrade to: a release before 8.23

1. Check installed version

apt-cache policy robotics-virtual-robot-controller || rpm -q robotics-virtual-robot-controller || robotics-virtual-robot-controller --version

2. No fixed release: DOWNGRADE to a release before 8.23 (Debian / Ubuntu)

apt-cache madison robotics-virtual-robot-controller sudo apt install robotics-virtual-robot-controller=<VERSION_BEFORE_8.23> sudo apt-mark hold robotics-virtual-robot-controller

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list robotics-virtual-robot-controller sudo dnf downgrade robotics-virtual-robot-controller-<VERSION_BEFORE_8.23> sudo dnf versionlock add robotics-virtual-robot-controller

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2019-13585?

robotics virtual robot controller: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2019-13585 being exploited?

CVE-2019-13585 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-2019-13585 affect?

CVE-2019-13585 affects robotics virtual robot controller. Severity is critical (CVSS 9.8). The remote admin webserver on FANUC Robotics Virtual Robot Controller 8.23 has a Buffer Overflow via a forged HTTP request.

How urgent is CVE-2019-13585?

Priority 68/100. Critical severity; EPSS top 3%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2019-13584 MEDIUM 5.3 DOWNGRADE The remote admin webserver on FANUC Robotics Virtual Robot Controller 8.23 allows Directory Traversal via a fo

References

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