Weakness · Medium

CWE-790: Improper Filtering of Special Elements

What it is

The product receives data from an upstream component, but does not filter or incorrectly filters special elements before sending it to a downstream component.

1 exploited in the wildMITRE CWE 4.19.1

Severity (our rating)
Medium
Likelihood of exploit
Not rated by MITRE
Introduced during
Implementation
Exploited in the wild
1 known exploited CVE

What an attacker can do

  • Unexpected State (Integrity)

How to prevent it

MITRE lists no specific mitigation for this weakness. Treat it like its parent weaknesses below: validate input, keep the design simple and review the code where it could appear.

CWE-790 on MITRE's CWE site

Exploited in the wild: 1 CVE

Vulnerabilities caused by CWE-790 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.