CVE-2020-16124: Integer Overflow or Wraparound vulnerability in the XML RPC library of OpenRobotics ros_comm communications pa

Q: How do I fix CVE-2020-16124?

ros-comm: upgrade to 1.15.9. Exact commands for each OS are on this page.

Q: Is CVE-2020-16124 being exploited?

CVE-2020-16124 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2020-16124 affect?

CVE-2020-16124 affects ros-comm. Severity is high (CVSS 7.3). Integer Overflow or Wraparound vulnerability in the XML RPC library of OpenRobotics ros_comm communications packages allows unauthenticated network traffic to cause unexpected behavior. This issue affects: OpenRobotics ros_comm communicatio

Q: How urgent is CVE-2020-16124?

Priority 46/100. High severity; Remotely exploitable, no login, no user action

This month

HIGH 7.3REMOTEUPGRADE

CVE-2020-16124 is a high-severity flaw (CVSS 7.3) affecting ros-comm. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Integer Overflow or Wraparound vulnerability in the XML RPC library of OpenRobotics ros_comm communications packages allows unauthenticated network traffic to cause unexpected behavior. This issue affects: OpenRobotics ros_comm communications packages Noetic and prior versions. Fixed in https://github.com/ros/ros_comm/pull/2065.

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.3 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.9% (top 40%)
CISA exploited list	No
Weakness	CWE-190
Published	2020-10-13
Last modified	2026-06-17

Publisher (CNA): Canonical Ltd. · Vendor: ros

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

Am I affected?

Timeline

2020-10-13 15:15 UTCPublished CVE record published
2026-06-17 02:57 UTCUpdated Record last modified

ros ros-comm UPGRADE

Affected: < 1.15.9

Fixed in: 1.15.9

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy ros-comm || rpm -q ros-comm || ros-comm --version

2. UPGRADE to 1.15.9 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade ros-comm

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade ros-comm

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2020-16124?

ros-comm: upgrade to 1.15.9. Exact commands for each OS are on this page.

Is CVE-2020-16124 being exploited?

CVE-2020-16124 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-2020-16124 affect?

CVE-2020-16124 affects ros-comm. Severity is high (CVSS 7.3). Integer Overflow or Wraparound vulnerability in the XML RPC library of OpenRobotics ros_comm communications packages allows unauthenticated network traffic to cause unexpected behavior. This issue affects: OpenRobotics ros_comm communicatio

How urgent is CVE-2020-16124?

Priority 46/100. High severity; Remotely exploitable, no login, no user action

Software pages

GitHub vulnerabilities

Related CVEs

CVE-2021-37146 HIGH 7.5 UPGRADE An infinite loop in Open Robotics ros_comm XMLRPC server in ROS Melodic through 1.4.11 and ROS Noetic through1

References

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