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CVE-2020-7670

23
FAUCET Score

CVE-2020-7670 describes a request smuggling vulnerability in ohler agoo prior to version 2.14.0, stemming from improper parsing of Content-Length and Transfer-Encoding headers. This flaw allows for HTTP request smuggling attacks when agoo acts as a backend server in a proxy chain. With a CVSS score of 7.5 (HIGH), exploitation is network-based and requires low complexity, potentially leading to high integrity impact, though confidentiality and availability are not directly affected. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.12.3CPE matchmatch criteria
cpe:2.3:a:ohler:agoo:*:*:*:*:*: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
1.17%
Probability of exploitation in next 30 days
EPSS Percentile
64.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0117 is in the 43rd percentile among its peer group of 51,553 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-h385-52j6-9984medium

Withdrawn: HTTP Request Smuggling in Agoo

Oct 20, 2020

References

github.com / ohler55/agoo/commit/23d03535cf7b50d679a60a953a0cae9519a4a130
github.com / ohler55/agoo/issues/88
snyk.io / vuln/SNYK-RUBY-AGOO-569137
Third Party Advisory