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Server-side request forgery in Arista CloudVision Portal SSO

Priority LOW 23CWE-918Published · Updated

Key facts

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

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

Arista CloudVision Portal is affected from 2026.2.0, from 2026.1.0 through 2026.1.2, from 2025.3.0 through 2025.3.3, and from 2020.3.0 before 2025.3.0. Insufficient validation of OIDC SSO provider configuration lets a user with high privileges direct server requests to arbitrary destinations (CWE-918). A remote user with high privileges can exploit this without user interaction.

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

Description from the CNA

Insufficient validation of OIDC SSO provider configuration could allow a user with specific high privileges to direct requests to arbitrary destinations.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00218 12th 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 Portal2026.2.0; 2026.1.0 – 2026.1.2; 2025.3.0 – 2025.3.3; 2020.3.0 to before 2025.3.0—No fix listedCNA
  • CloudVision Portal VendorArista Affected 2026.2.0; 2026.1.0 – 2026.1.2; 2025.3.0 – 2025.3.3; 2020.3.0 to before 2025.3.0 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for CloudVision Portal.

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 Portal — arista.com/en/support/advisories-notices/security-advisory/…

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2026-68566 Server-side request forgery in Arista CloudVision PortalPriority LOW 23

Timeline

  1. 2026-10-06 Threatist record created from CVE-2026-101149
  2. 2026-10-07 CISA SSVC decision points changed
  3. 2026-10-07 Alias added: GHSA-x5hx-36j4-jgqp

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