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Fencer Intel
high 8.8

CVE-2021-41322 json

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 re…

published 5y ago modified 4mo ago also EUVD-2021-28351

cvss
8.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.7%
EPSS 1.7% chance of exploitation in 30 days, percentile 77%
public exploits
0
none known

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.

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Exploit prediction

1.70% chance of exploitation in the next 30 days, higher than 77% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • packetstormsecurity.com https://packetstormsecurity.com/files/140753/Polycom-VVX-Web-Interface-Privilege-Escalation.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 6.5 AV:N/AC:L/Au:S/C:P/I:P/A:P

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.