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PatchSiren cyber security CVE debrief

CVE-2018-15133 Laravel CVE debrief

CVE-2018-15133 is a Laravel Framework deserialization of untrusted data vulnerability that CISA placed in the Known Exploited Vulnerabilities (KEV) catalog on 2024-01-16. Because KEV inclusion indicates known exploitation, organizations using Laravel Framework should treat this as a high-priority remediation item and follow the vendor’s mitigation guidance. If mitigations are not available, CISA’s guidance is to discontinue use of the product.

Vendor
Laravel
Product
Laravel Framework
CVSS
Unknown
CISA KEV
Listed
Original CVE published
2024-01-16
Original CVE updated
2024-01-16
Advisory published
2024-01-16
Advisory updated
2024-01-16

Who should care

Security teams, application owners, and platform teams running Laravel Framework in production, especially services that accept external input or are internet-facing.

Technical summary

The vulnerability is classified as deserialization of untrusted data in Laravel Framework. The supplied corpus does not include version ranges, exploit mechanics, or a CVSS score. The key operational signal is CISA KEV inclusion, which means the issue is known to be exploited and should be addressed using vendor mitigation guidance.

Defensive priority

High. CISA KEV listings are time-sensitive remediation items; CISA set a due date of 2024-02-06 for this entry.

Recommended defensive actions

  • Inventory all Laravel Framework deployments and identify any exposed applications or services.
  • Determine whether affected versions are present using vendor, CVE, and NVD guidance.
  • Apply vendor mitigations or upgrade using the official Laravel guidance referenced by CISA.
  • If mitigations are unavailable, discontinue use of the affected product per CISA guidance.
  • Prioritize remediation of internet-facing and externally reachable systems first.
  • Validate remediation and monitor for suspicious application behavior or compromise indicators.

Evidence notes

Evidence is limited to the CISA KEV entry and its linked official references. The source corpus states: vendorProject Laravel, product Laravel Framework, vulnerability name 'Laravel Deserialization of Untrusted Data Vulnerability,' dateAdded 2024-01-16, dueDate 2024-02-06, and required action to apply vendor mitigations or discontinue use if mitigations are unavailable. No CVSS score or exploit details were provided in the supplied corpus.

Sources and references

Verified primary and authoritative sources

  • CVE-2018-15133 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2018-15133

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

  • CVE-2018-15133 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2018-15133

    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.