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TI-2021-18149 Aliases CVE-2021-41322GHSA-77p3-pmfw-vf6v

Poly VVX 400/410 5.3.1 allows low-privileged users to change the Admin password by…

Priority MEDIUM 41Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

Poly VVX 400/410 5.3.1 allows low-privileged users to change the Admin password by modifying a POST parameter to 120 during the password reset process.

Why it matters now

EPSS 0.01696 77th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:o:polycom:vvx_400_firmware:5.3.1:*:*:*:*:*:*:*5.3.1VulnerablePolycom
cpe:2.3:h:polycom:vvx_400:-:*:*:*:*:*:*:*not specified by NVDRunning onPolycom
cpe:2.3:o:polycom:vvx_410_firmware:5.3.1:*:*:*:*:*:*:*5.3.1VulnerablePolycom
cpe:2.3:h:polycom:vvx_410:-:*:*:*:*:*:*:*not specified by NVDRunning onPolycom
  • cpe:2.3:o:polycom:vvx_400_firmware:5.3.1:*:*:*:*:*:*:* Versions 5.3.1 Vulnerable ·Polycom
  • cpe:2.3:h:polycom:vvx_400:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Polycom
  • cpe:2.3:o:polycom:vvx_410_firmware:5.3.1:*:*:*:*:*:*:* Versions 5.3.1 Vulnerable ·Polycom
  • cpe:2.3:h:polycom:vvx_410:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Polycom

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-41322
  2. 2026-10-03 Alias added: GHSA-77p3-pmfw-vf6v

References

Sources