What is CVE-2017-1000203?

CVE-2017-1000203 is a high-severity vulnerability in Cern Root, classified under OS Command Injection. CVSS score: 8.8/10. Published 2017-11-17.

How severe is CVE-2017-1000203?

High severity. CVSS v3 base score is 8.8 out of 10.

RCE in Cern Root

CVE-2017-1000203

ROOT version 6.9.03 and below is vulnerable to an authenticated shell metacharacter injection in the rootd daemon resulting in remote code execution

Vulnerability class: Command Injection (OS Command Injection)

Published 2017-11-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.039 (89.9th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 89.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.039 · newest: 0.039 · change: 0.000

Affected products

Cern Root

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

github.com/root-project/root/commit/88ccff152604e0f1012653a596d802ff7ede3145 (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2017-1000203?: CVE-2017-1000203 is a high-severity vulnerability in Cern Root, classified under OS Command Injection. CVSS score: 8.8/10. Published 2017-11-17.
How severe is CVE-2017-1000203?: High severity. CVSS v3 base score is 8.8 out of 10.