CVE-2020-8163
HIGH
8.8
CVSS Score
Published: July 2, 2020 at 06:35 PM UTC
Updated: June 17, 2026 at 03:25 AM UTC
2 products affected across 2 vendorsDebian LinuxRails
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Severity
HIGH8.8
Exploit prediction
EPSS 82%
Description
The is a code injection vulnerability in versions of Rails prior to 5.0.1 that wouldallow an attacker who controlled the `locals` argument of a `render` call to perform a RCE.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Debian Linux· Debiandrupal
95%v < 5.0.1
Vendor states this is fixed in 4.2.11.2 (unaffected)
Affected range stops below 5.0.1, 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 (4)
x_refsource_MISCExploitThird Party AdvisoryVDB Entry
Source: [email protected]
http://packetstormsecurity.com/files/158604/Ruby-On-Rails-5.0.1-Remote-Code-Execution.htmlx_refsource_MISCMailing ListPatchThird Party Advisory
Source: [email protected]
https://groups.google.com/g/rubyonrails-security/c/hWuKcHyoKh0x_refsource_MISCPermissions RequiredThird Party Advisory
Source: [email protected]
https://hackerone.com/reports/304805Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2020/07/msg00013.htmlCVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-94
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