CVE-2020-7670
CVE-2020-7670 is a high-severity vulnerability in Ohler Agoo with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-444.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 1% (64th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-444
- Affected product: Ohler Agoo
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2020-7670?
- 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.
- How severe is CVE-2020-7670?
- CVE-2020-7670 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
- Is CVE-2020-7670 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-7670?
- CVE-2020-7670 affects Ohler Agoo. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-7670?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2020-7670 published?
- CVE-2020-7670 was published on 2020-06-10 and last updated on 2026-06-17.
References
- https://github.com/ohler55/agoo/commit/23d03535cf7b50d679a60a953a0cae9519a4a130
- https://github.com/ohler55/agoo/issues/88
- https://snyk.io/vuln/SNYK-RUBY-AGOO-569137
Affected products (1)
- cpe:2.3:a:ohler:agoo:*:*:*:*:*:ruby:*:*
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