Read the docs

IDOR in Arista CloudVision CUE exposes other users' transient data

Priority LOW 30CWE-639Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
Present
Impact type
Security bypass
Confidentiality · integrity · availability
High · None · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-639.

Summary

Arista CloudVision CUE from 2021.2.0 through 2026.2.0 contains an insecure direct object reference (CWE-639) in its CUE file-serving interface. An authenticated network user can, under specific attack conditions, access another user's transient data.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

An insecure direct object reference (IDOR) vulnerability in a CloudVision CUE file-serving interface may allow an authenticated network user, under specific attack conditions, to access another user's transient data.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00249 16th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
AristaCloudVision CUE2021.2.0 – 2026.2.0—No fix listedCNA
  • CloudVision CUE VendorArista Affected 2021.2.0 – 2026.2.0 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for Arista CloudVision CUE.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    Arista Networks CloudVision CUE — arista.com/en/support/advisories-notices/security-advisory/…

    6 records Highest priority Priority MEDIUM 2 MEDIUM, 4 LOW

    Other records, highest priority first

    • TI-2026-68908 Access control flaw in Arista CloudVision CUE backendPriority MEDIUM 48
    • TI-2026-68909 OS command injection in Arista CloudVision CUE backup managementPriority MEDIUM 42
    • TI-2026-68910 Authentication bypass in Arista CloudVision CUE via IP spoofingPriority LOW 39

Timeline

  1. 2026-10-06 Threatist record created from CVE-2026-102157
  2. 2026-10-07 Alias added: GHSA-9frv-g42f-xq53

References

  • TI-2026-79524 Privilege escalation in Arista VeloCloud Orchestrator on-premises KEVCVSS 4.0CRITICAL 9.4
  • TI-2026-63212 Improper input validation in Arista VeloCloud Orchestrator On-Prem KEVCVSS 4.0CRITICAL 9.5
  • TI-2026-13992 VeloCloud Orchestrator OS Command Injection KEVCVSS 4.0CRITICAL 10.0
  • TI-2014-05975 GNU Bash through 4.3 bash43-025 processes trailing strings after certain malformed… KEVCVSS 3.1CRITICAL 9.8
  • TI-2014-05157 GNU Bash through 4.3 processes trailing strings after function definitions in the values… KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-23989 crypto: algif_aead - Revert to operating out-of-place KEVCVSS 3.1HIGH 7.8
See all 216 →

Sources