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CVE-2016-2364

25
FAUCET Score

CVE-2016-2364 describes a cryptographic vulnerability in the Chrome HUDweb plugin for Fonality (formerly trixbox Pro) versions 12.6 through 14.1i. The plugin uses a hardcoded private key across all customer installations, allowing attackers to bypass cryptographic protections by obtaining the key from any installation. This vulnerability has a CVSS score of 7.5 (HIGH), indicating a network-based attack with low complexity, requiring no user interaction, and potentially leading to high confidentiality impact. There is 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
<= 1.4.1CPE matchmatch criteria
cpe:2.3:a:fonality:hud_web:*:*:*:*:*:fonality:*:*
12.6CPE matchmatch criteria
cpe:2.3:a:fonality:fonality:12.6:*:*:*:*:*:*:*
12.8CPE matchmatch criteria
cpe:2.3:a:fonality:fonality:12.8:*:*:*:*:*:*:*
14.1iCPE matchmatch criteria
cpe:2.3:a:fonality:fonality:14.1i:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.28%
Probability of exploitation in next 30 days
EPSS Percentile
81.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0228 is in the 67th percentile among its peer group of 51,466 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 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

kb.cert.org / vuls/id/754056
Third Party AdvisoryUS Government Resource