Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CWE-300

Channel Accessible by Non-Endpoint

The product does not adequately verify the identity of actors at both ends of a communication channel, or does not adequately ensure the integrity of the channel, in a way that allows the channel to be accessed or influenced by an actor that is not an endpoint.

54
Assigned CVEs
230th
Commonality Rank
6.8
Avg CVSS
0.0%
In CISA KEV

Volume and Severity of Assigned CVEs Over Time

Volume of CVEs assigned to CWE-300 and their average CVSS base score over time.

Volume of CVEsAvg CVSS Base Score
First CVE
Nov 9, 2009
16 years ago
Most Recent CVE
Mar 4, 2026
142 days ago

Top CVEs Assigned This CWE

Top CVEs that have been assigned this CWE. A single CVE can have multiple CWE assignments, though many have just one.

54 CVEs · Highest risk first

CVEPublishedCVSSRiskKEVExploit
CVE-2009-3555CRITICAL
The TLS protocol, and the SSL protocol 3.0 and possibly earlier, as used in Microsoft Internet Information Services (IIS) 7.0, mod_ssl in the Apache HTTP Server 2.2.14 and earlier,
Nov 9, 20099.885NOYES
CVE-2017-7480CRITICAL
rkhunter versions before 1.4.4 are vulnerable to file download over insecure channel when doing mirror update resulting into potential remote code execution.
Jul 21, 20179.831NONO
CVE-2019-3793CRITICAL
Pivotal Apps Manager Release, versions 665.0.x prior to 665.0.28, versions 666.0.x prior to 666.0.21, versions 667.0.x prior to 667.0.7, contain an invitation service that accepts
Apr 24, 20199.830NONO
CVE-2017-12151HIGH
A flaw was found in the way samba client before samba 4.4.16, samba 4.5.14 and samba 4.6.8 used encryption with the max protocol set as SMB3. The connection could lose the requirem
Jul 27, 20187.427NONO
CVE-2021-41033HIGH
In all released versions of Eclipse Equinox, at least until version 4.21 (September 2021), installation can be vulnerable to man-in-the-middle attack if using p2 repos that are HTT
Sep 13, 20218.126NONO
CVE-2019-5456HIGH
SMTP MITM refers to a malicious actor setting up an SMTP proxy server between the UniFi Controller version <= 5.10.21 and their actual SMTP server to record their SMTP credentials
Jul 30, 20198.126NONO
CVE-2017-12150HIGH
It was found that samba before 4.4.16, 4.5.x before 4.5.14, and 4.6.x before 4.6.8 did not enforce "SMB signing" when certain configuration options were enabled. A remote attacker
Jul 26, 20187.426NONO
CVE-2021-21953HIGH
An authentication bypass vulnerability exists in the process_msg() function of the home_security binary of Anker Eufy Homebase 2 2.1.6.9h. A specially-crafted man-in-the-middle att
Dec 22, 20218.125NONO
CVE-2021-32926HIGH
When an authenticated password change request takes place, this vulnerability could allow the attacker to intercept the message that includes the legitimate, new password hash and
Jun 3, 20217.525NONO
CVE-2021-22909HIGH
A vulnerability found in EdgeMAX EdgeRouter V2.0.9 and earlier could allow a malicious actor to execute a man-in-the-middle (MitM) attack during a firmware update. This vulnerabili
May 27, 20217.525NONO
View all 54 CVEs →

CVE Severity & Scoring

This CWEGlobal (All CVEs)
0.0-0.9
1.0-1.9
2.0-2.9
9%
3.0-3.9
10%
4.0-4.9
26%
19%
5.0-5.9
16%
6.0-6.9
35%
26%
7.0-7.9
17%
11%
8.0-8.9
14%
9.0-10.0
unknown
CVSS Score Range

Exploit Exposure

Exploit activity across CVEs assigned to this CWE, including CVEs that carry other CWE assignments.

CISA KEV
0 CVEs
0.0% of CVEs· Bottom 1%
Metasploit
0 CVEs
0.0% of CVEs· Bottom 1%
Nuclei
0 CVEs
0.0% of CVEs· Bottom 1%
ExploitDB
1 CVE
1.9% of CVEs· 87th percentile

Social Chatter

Social posts that mention CVE IDs assigned to this CWE. This is assigned-CVE activity, not mentions of the CWE label itself.

Media Mentions

Media articles that mention CVE IDs assigned to this CWE. This is assigned-CVE coverage, not mentions of the CWE label itself.

Top Affected Vendors

Top Affected Products