CVE-2020-8162
HIGH
7.5
CVSS Score
Published: June 19, 2020 at 05:02 PM UTC
Updated: June 17, 2026 at 03:25 AM UTC
2 products affected across 2 vendorsDebian LinuxRails
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Severity
HIGH7.5
Exploit prediction
EPSS 3%
Description
A client side enforcement of server side security vulnerability exists in rails < 5.2.4.2 and rails < 6.0.3.1 ActiveStorage's S3 adapter that allows the Content-Length of a direct file upload to be modified by an end user bypassing upload limits.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Debian Linux· Debiandrupal
95%Affected range stops below 5.2.4.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.0.3.1, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (3)
x_refsource_MISCMailing ListPatchThird Party Advisory
Source: [email protected]
https://groups.google.com/g/rubyonrails-security/c/PjU3946mreQx_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://hackerone.com/reports/789579Vendor Advisoryx_refsource_DEBIANThird Party Advisory
Source: [email protected]
https://www.debian.org/security/2020/dsa-4766CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- HIGH
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-602CWE-434
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