Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2020-35884

22
FAUCET Score

CVE-2020-35884 describes an HTTP Request Smuggling vulnerability in the tiny_http Rust crate, affecting versions through 2020-06-16, including its use within Fedora Project distributions. This medium-severity vulnerability (CVSS 6.5) allows unauthenticated attackers to manipulate HTTP requests via a malformed Transfer-Encoding header, potentially leading to information disclosure or data integrity issues without requiring user interaction. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.7.0CPE matchmatch criteria
cpe:2.3:a:tiny-http_project:tiny-http:*:*:*:*:*:rust:*:*
34CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
35CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
2.5
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.06%
Probability of exploitation in next 30 days
EPSS Percentile
61.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0106 is in the 39th percentile among its peer group of 23,703 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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

Remediation

Patch Available

Vendor Patches (1)

rustpatch availablevia ghsa
Product: tiny_httpFixed in: 0.8.0

Vendor Advisories (1)

rustGHSA-7v2r-wxmg-mgvcmedium

HTTP Request smuggling in tiny_http

Aug 25, 2021

References

lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/M3JDNRE5RXJOWZZZF5QSCG4GUCSLTHF2
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/VO6SRTCEPEYO2OX647I3H5XUWLFDRDWL
rustsec.org / advisories/RUSTSEC-2020-0031.html
Third Party Advisory