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CVE-2021-41322

28
FAUCET Score

CVE-2021-41322 is a high-severity vulnerability affecting Poly VVX 400 and 410 series IP phones running firmware version 5.3.1. It allows low-privileged users to change the administrator password by manipulating a POST parameter during the password reset process. This vulnerability carries a CVSS score of 8.8, indicating a high risk due to its network-based attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
5.3.1CPE matchmatch criteria
cpe:2.3:o:polycom:vvx_400_firmware:5.3.1:*:*:*:*:*:*:*
5.3.1CPE matchmatch criteria
cpe:2.3:o:polycom:vvx_410_firmware:5.3.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.64%
Probability of exploitation in next 30 days
EPSS Percentile
73.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0164 is in the 72nd percentile among its peer group of 17,805 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

packetstormsecurity.com / files/140753/Polycom-VVX-Web-Interface-Privilege-Escalation.html
ExploitThird Party AdvisoryVDB Entry
support.polycom.com / content/support.html
Vendor Advisory