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PatchSiren cyber security CVE debrief

CVE-2016-0752 Rails CVE debrief

CVE-2016-0752 is an official Ruby on Rails directory traversal vulnerability record that CISA included in its Known Exploited Vulnerabilities catalog. That KEV listing means defenders should treat it as a prioritized remediation item and apply vendor updates as soon as possible. The supplied official sources do not include CVSS, affected versions, or deeper exploit details, so the safest response is to verify where Ruby on Rails is deployed and remediate per vendor guidance.

Vendor
Rails
Product
Ruby on Rails
CVSS
Unknown
CISA KEV
Listed
Original CVE published
2022-03-25
Original CVE updated
2022-03-25
Advisory published
2022-03-25
Advisory updated
2022-03-25

Who should care

Security teams, application owners, and platform engineers responsible for Ruby on Rails deployments should prioritize this issue, especially where internet-facing applications or legacy Rails versions may still be in use. Vulnerability management teams should also track it because CISA has listed it in KEV with a remediation due date.

Technical summary

The supplied corpus describes CVE-2016-0752 as a Ruby on Rails directory traversal vulnerability. CISA’s Known Exploited Vulnerabilities entry identifies the affected project as Rails / Ruby on Rails and instructs organizations to apply updates per vendor instructions. The KEV inclusion is the strongest evidence in the corpus that this issue has been exploited in the wild, but the provided records do not specify affected versions, exploit mechanics, or severity scores.

Defensive priority

High. CISA KEV inclusion places this vulnerability in a time-bound remediation category and indicates known exploitation. Organizations should treat exposed or unpatched Ruby on Rails instances as priority assets and complete remediation before the CISA due date when possible.

Recommended defensive actions

  • Inventory all Ruby on Rails applications, services, and embedded dependencies.
  • Identify which instances are exposed to untrusted networks or process external input.
  • Apply the vendor-recommended updates for affected Rails deployments.
  • Validate remediation by rescanning and confirming the vulnerable versions are no longer present.
  • Track remediation against the CISA KEV due date (2022-04-15) and escalate any exceptions.
  • Review logs and alerts for suspicious access patterns on Rails applications that may indicate prior exploitation.

Evidence notes

Evidence is limited to official records supplied in the corpus: the CISA KEV JSON entry, the CVE.org record link, and the NVD detail link. The CISA entry names the issue as a Ruby on Rails directory traversal vulnerability, marks it as a known exploited vulnerability, lists dateAdded as 2022-03-25, and provides the required action: apply updates per vendor instructions. No CVSS score or affected-version details were included in the supplied data.

Sources and references

Verified primary and authoritative sources

  • CVE-2016-0752 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2016-0752

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2016-0752 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2016-0752

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

  • CISA Known Exploited Vulnerabilities catalog

    Publisher, destination, and source semantics verified

    URL: https://www.cisa.gov/known-exploited-vulnerabilities-catalog

    Cybersecurity and Infrastructure Security Agency - Official CISA catalog of vulnerabilities known to be exploited in the wild.

Supplemental references

  • Source item URL

    Unverified legacy reference

    URL: https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json

    cisa_kev

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.