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CVE-2020-7671

24
FAUCET Score

CVE-2020-7671 describes a request smuggling vulnerability in goliath versions up to 1.0.6, affecting systems where goliath acts as a backend behind a vulnerable frontend proxy. Attackers can exploit this by sending duplicate Content-Length headers or by leveraging invalid Transfer-Encoding headers for TE:CL smuggling. This vulnerability carries a CVSS score of 7.5 (HIGH), indicating a network-based attack with low complexity and high impact on integrity, though no impact on confidentiality or availability. 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
<= 1.0.6CPE matchmatch criteria
cpe:2.3:a:goliath_project:goliath:*:*:*:*:*:ruby:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.22%
Probability of exploitation in next 30 days
EPSS Percentile
65.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0122 is in the 45th percentile among its peer group of 51,506 CVEs.

Social Chatter

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

Vendor Advisories (1)

rubygemsGHSA-3892-2r52-p65mhigh

HTTP Request Smuggling in goliath

May 24, 2021

References

github.com / postrank-labs/goliath/issues/351%2C
snyk.io / vuln/SNYK-RUBY-GOLIATH-569136
Third Party Advisory