EUVD-2026-34905
GHSA-36wx-6wfq-226v
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:L/VA:L/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:P/AU:X/R:X/V:X/RE:X/U:X
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:L/VA:L/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:P/AU:X/R:X/V:X/RE:X/U:X
Lifecycle Timeline
1DescriptionCVE.org
A Reports application infrastructure vulnerability exists in Arista Edge Threat Management - Arista Next Generation Firewall (NGFW) due to insecure input validation. This issue uniquely affects version 17.4.0; earlier software releases are not exposed.
AnalysisAI
Command injection in Arista Edge Threat Management Next Generation Firewall (NGFW) version 17.4.0 allows high-privileged authenticated attackers to abuse insecure input validation in the Reports application to execute OS commands on the appliance. The flaw uniquely affects 17.4.0, with earlier releases unaffected, and no public exploit identified at time of analysis. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires (1) network reachability to the NGFW management interface where the Reports application is served, (2) high-privileged authenticated access - the CVSS vector PR:H confirms the attacker must already hold administrative credentials on the appliance, not a standard user account, (3) the target appliance must be running exactly Arista NGFW version 17.4.0, as the vendor confirms earlier releases are not affected, and (4) the attacker must reach the specific Reports application endpoint that processes the unvalidated input. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | Signals are mixed. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker who has obtained administrative credentials to the NGFW (via phishing, credential reuse, or insider access) authenticates to the management interface and submits a crafted parameter to the Reports application containing shell metacharacters; the unsanitized input is interpolated into a shell command, yielding arbitrary OS command execution as the reporting process user on the firewall. From there the attacker can read sensitive traffic-inspection data, modify firewall configuration, or pivot into the protected network segments the appliance fronts. … |
| Remediation | Patch status is not explicitly stated in the supplied data - no vendor-released patch version is enumerated in the input, so consult the Arista advisory at https://www.arista.com/en/support/advisories-notices/security-advisory/23399-security-advisory-0133 for the fixed release and apply it to all NGFW appliances running 17.4.0. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Inventory and classify all Arista NGFW deployments running version 17.4.0 by operational criticality. …
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