What is CVE-2021-37146?

CVE-2021-37146 is a high-severity vulnerability in Ros Ros-Comm, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 7.5/10. Published 2021-09-28.

How severe is CVE-2021-37146?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Ros Ros-Comm

CVE-2021-37146

An infinite loop in Open Robotics ros_comm XMLRPC server in ROS Melodic through 1.4.11 and ROS Noetic through1.15.11 allows remote attackers to cause a Denial of Service in ros_comm via a crafted XMLRPC call.

Published 2021-09-28 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.020 (80.1th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 80.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000

Affected products

Ros Ros-Comm

Weakness classification (CWE)

CWE-835 — Loop with Unreachable Exit Condition (Infinite Loop)

References

github.com/ros/ros_comm (Third Party Advisory)
discourse.ros.org/t/new-packages-for-melodic-2021-09-27/22446 (Vendor Advisory)
discourse.ros.org/t/new-packages-for-noetic-2021-09-27/22447 (Vendor Advisory)

Frequently asked questions

What is CVE-2021-37146?: CVE-2021-37146 is a high-severity vulnerability in Ros Ros-Comm, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 7.5/10. Published 2021-09-28.
How severe is CVE-2021-37146?: High severity. CVSS v3 base score is 7.5 out of 10.