CVE-2021-20784
MEDIUM
6.1
CVSS Score
Published: July 14, 2021 at 01:20 AM UTC
Updated: June 17, 2026 at 03:34 AM UTC
1 product affected across 1 vendorEverything
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Severity
MEDIUM6.1
Exploit prediction
EPSS 1%
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
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 1.11.1 ≤ v < 1.21.2 ≤ v < 1.3all versions of 1.0 (Everything 1.0 series) except the Lite versionall versions of 1.1 (Everything 1.1 series) except the Lite versionall versions of 1.2 (Everything 1.2 series) except the Lite version
Affected range stops below 1.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.3, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (4)
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
https://jvn.jp/en/jp/JVN68971465/index.htmlCVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- CHANGED
- Confidentiality
- LOW
- Integrity
- LOW
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-644NVD-CWE-Other
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