Weakness · High

CWE-420: Unprotected Alternate Channel

What it is

The product protects a primary channel, but it does not use the same level of protection for an alternate channel.

2 exploited in the wildMITRE CWE 4.19.1

Severity (our rating)
High
Likelihood of exploit
Not rated by MITRE
Introduced during
Architecture and Design, Implementation, Operation
Exploited in the wild
2 known exploited CVEs

What an attacker can do

  • Gain Privileges or Assume Identity (Access Control)
  • Bypass Protection Mechanism (Access Control)

How to prevent it

Architecture and Design

  • Identify all alternate channels and use the same protection mechanisms that are used for the primary channels.

CWE-420 on MITRE's CWE site

Exploited in the wild: 2 CVEs

Vulnerabilities caused by CWE-420 that attackers have used, from CISA's Known Exploited Vulnerabilities catalog, newest first.

All known exploited vulnerabilities

H2 Security

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Source: MITRE Common Weakness Enumeration, CWE version 4.19.1. CWE is a trademark of The MITRE Corporation.