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Vulnerabilities

Vulnerability · CVE-2020-8163

The is a code injection vulnerability in versions of Rails prior to 5.0.1 that wouldallow an attacker who controlled the argument of a call to perform a RCE.

Published Jul 2, 2020 · catalog updated Jun 17, 2026 · The is a code

Last checked Nov 8, 2026. A connected source was read within the last 7 days.

Check this week

CVE-2020-8163 is not in CISA KEV. FIRST estimates a 82.47% chance of exploitation in the next 30 days. Check whether you run The is a code.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (The is a code).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
High8.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
82.47%
Remediation
Version ranges on file
Affected products
cpe debian/debian linux · cpe rubyonrails/rails

The is a code injection vulnerability in versions of Rails prior to 5.0.1 that wouldallow an attacker who controlled the argument of a call to perform a RCE.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe debian/debian linux9.0
  • cpe rubyonrails/rails< 5.0.1

How to fix CVE-2020-8163

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2020-8163 is not in CISA KEV. FIRST estimates a 82.47% chance of exploitation in the next 30 days. Check whether you run The is a code.

Which versions are affected?

Compare what you have installed with debian/debian linux 9.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-94: Code Injection. EPSS 82.47%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Ruby on Rails security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jul 2, 2020 · Monitored products — high

    Detected

    The is a code injection vulnerability in versions of Rails prior to 5.0.1 that wouldallow an attacker who controlled the argument of a call to perform a RCE.

  2. Jun 17, 2026 · Monitored products — high

    Updated

    The is a code injection vulnerability in versions of Rails prior to 5.0.1 that wouldallow an attacker who controlled the argument of a call to perform a RCE.

Sources

  • CVE.orgVulnerability recordCVE-2020-8163

    Official CVE identifier

    cve.org
  • Monitored products — highVendor advisoryCVE-2020-8163

    The is a code injection vulnerability in versions of Rails prior to 5.0.1 that wouldallow an attacker who controlled the argument of a call to perform a RCE.

    nvd.nist.gov
  • Packet Storm SecurityCited referencehttp://packetstormsecurity.com/files/158604/Ruby-On-Rails-5.0.1-Remote-Code-Execution.html

    Packet Storm link already published on the finding.

    packetstormsecurity.com

References

Freshness

Last verified in this catalog Nov 8, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • CVE.orgNov 8, 2026
  • Packet Storm SecurityNov 8, 2026
  • Monitored products — highNov 8, 2026