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ROOT version 6.9.03 and below is vulnerable to an authenticated shell metacharacter…

Priority MEDIUM 45CWE-78Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-78.

Summary

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

Why it matters now

EPSS 0.03913 90th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:cern:root:*:*:*:*:*:*:*:*up to 6.9.03Vulnerableindico
  • cpe:2.3:a:cern:root:*:*:*:*:*:*:*:* Versions up to 6.9.03 Vulnerable ·indico

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-1000203
  2. 2026-10-03 Alias added: GHSA-fwqx-4844-vqjq
  3. 2026-10-13 EPSS moved to the 90th–95th percentile

References

Sources