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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2021-20784

21
FAUCET Score

CVE-2021-20784 is an HTTP header injection vulnerability affecting Everything versions 1.0, 1.1, and 1.2 (excluding the Lite version). A remote attacker could exploit this with low complexity to inject arbitrary scripts or alter websites utilizing the product, leading to potential client-side impact. While rated Medium severity (CVSS 6.1), there is no evidence of active exploitation, public exploit code, or significant community discussion, suggesting a low current threat level.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.1CPE matchmatch criteria
cpe:2.3:a:voidtools:everything:*:*:*:*:*:*:*:*
>= 1.1, < 1.2CPE matchmatch criteria
cpe:2.3:a:voidtools:everything:*:*:*:*:*:*:*:*
>= 1.2, < 1.3CPE matchmatch criteria
cpe:2.3:a:voidtools:everything:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.1MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.12%
Probability of exploitation in next 30 days
EPSS Percentile
62.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0112 is in the 75th percentile among its peer group of 26,220 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

jvn.jp / en/jp/JVN68971465/index.html
Third Party Advisory
jvn.jp / en/jp/JVN68971465
voidtools.com
Vendor Advisory
voidtools.com / downloads
ProductVendor Advisory