CVE-2021-20784

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-07-14 · updated 2026-06-17
Weakness: CWE-644

Description

HTTP header injection vulnerability in Everything version 1.0, 1.1, and 1.2 except the Lite version may allow a remote attacker to inject an arbitrary script or alter the website that uses the product.

Affected products

voidtools Everything: before 1.1; from 1.1 before 1.2; from 1.2 before 1.3 — fixed in 1.1, 1.2, 1.3

How to fix

Upgrade to a fixed version: voidtools Everything 1.1, 1.2, 1.3. Check the vendor advisory for mitigations.

References

https://jvn.jp/en/jp/JVN68971465/
https://www.voidtools.com/
https://www.voidtools.com/downloads/
https://jvn.jp/en/jp/JVN68971465/index.html
https://www.voidtools.com/
https://www.voidtools.com/downloads/

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