CVE-2026-73447
Security Advisory 0162 - gNSI Certz/Bootz OS Command Injection via Crafted Rotate Request
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 4.31.0F, 4.32.0F, 4.33.0F
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
CISA's decision points: whether it is exploited, whether attacks can be automated, and how much control an attacker gets. Assessed (SSVC 2.0.3).What do these mean? →
- Exploitation: none
- Automatable: no
- Technical impact: total
Summary
A privileged attacker can exploit certain operation to execute arbitrary commands with root privileges, leading to full device compromise. An authenticated user can exploit gRPC Network Security Interface (gNSI) Certz service on Arista EOS-based products to escalate privileges and execute arbitrary OS commands via a crafted Certz Rotate request. The Bootz service is also affected.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: total
- Record last updated
Affected versions
- Arista Networks EOS
From 4.30.2F · fixed in 4.31.0F; From 4.31.0F · fixed in 4.32.0F; From 4.32.0F · fixed in 4.33.0F; From 4.33.0F · through 4.33.8M; From 4.34.0F · through 4.34.7M; From 4.35.0F · through 4.35.5M; From 4.36.0F · through 4.36.0.1F