CVE-2020-7670

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-06-10 · updated 2026-06-17
Weakness: CWE-444

Description

agoo prior to 2.14.0 allows request smuggling attacks where agoo is used as a backend and a frontend proxy also being vulnerable. HTTP pipelining issues and request smuggling attacks might be possible due to incorrect Content-Length and Transfer encoding header parsing. It is possible to conduct HTTP request smuggling attacks where `agoo` is used as part of a chain of backend servers due to insufficient `Content-Length` and `Transfer Encoding` parsing.

Affected products

agoo: through 2.12.3

References

https://github.com/ohler55/agoo/commit/23d03535cf7b50d679a60a953a0cae9519a4a130
https://github.com/ohler55/agoo/issues/88
https://snyk.io/vuln/SNYK-RUBY-AGOO-569137
https://github.com/ohler55/agoo/commit/23d03535cf7b50d679a60a953a0cae9519a4a130
https://github.com/ohler55/agoo/issues/88
https://snyk.io/vuln/SNYK-RUBY-AGOO-569137

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