Security Advisory 0162 - gNSI Certz/Bootz OS Command Injection via Crafted Rotate Request

Versions reported by the vendor

Affected version ranges reported by the assigning authority (Arista). Independent of NVD's CPE analysis and usually ahead of it.

• Arista Networks EOS

  • 4.30.2F and later · before 4.31.0Faffected
  • 4.31.0F and later · before 4.32.0Faffected
  • 4.32.0F and later · before 4.33.0Faffected
  • 4.33.0F and later · up to and including 4.33.8Maffected
  • 4.34.0F and later · up to and including 4.34.7Maffected
  • 4.35.0F and later · up to and including 4.35.5Maffected
  • 4.36.0F and later · up to and including 4.36.0.1Faffected

Other highest-scoring records for the same primary product.

• CVE-2026-73453Security Advisory 0174
  38Monitor
• CVE-2026-73461Security Advisory 0163
  37Monitor
• CVE-2026-73456Under certain circumstances, an unauthenticated gNPSI client can craft a malicious request to allow arbitrary code execution, granting an attacker full administ
  36Monitor

Published before and after this one in the same product

• ← EarlierCVE-2026-73460Sep 15, 2026 · Security Advisory 0160
  28Monitor
• ← EarlierCVE-2026-73450Sep 15, 2026 · Security Advisory 0161
  28Monitor
• Later →CVE-2026-2380Sep 16, 2026 · Security Advisory 0168
  20Monitor

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Root cause

User input is inserted as text into a shell command. The shell may interpret special characters in the input as part of the command.

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

1const host = req.body.host;2exec("ping -c 1 " + host, onResult);

1const host = req.body.host;2if (!/^[a-z0-9.-]{1,253}$/i.test(host)) return res.sendStatus(400);3execFile("ping", ["-c", "1", host], onResult);

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.