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CVE-2019-12245

MEDIUM

CVE-2019-12245 is a medium-severity (CVSS 5.3) CWE-732 vulnerability in silverstripe/framework. O3 Security confirms whether CVE-2019-12245 is actually reachable in your code before you act, and blocks exploitation at runtime until you patch.

Lack of access control on upoaded files

Also known asGHSA-jvx5-rm6q-gx7p
Published
Sep 25, 2019
Updated
Jul 8, 2026
Affected
6 pkgs
Patched
6 / 6
Exploits
None indexed

Blast Radius

6 pkgs affected
🐘silverstripe/framework🐘silverstripe/framework🐘silverstripe/framework🐘silverstripe/framework🐘silverstripe/assets🐘silverstripe/assets

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Packagist packages — download data is not available via public APIs for these ecosystems.

Description

SilverStripe through 4.3.3 has incorrect access control for protected files uploaded via Upload::loadIntoFile(). An attacker may be able to guess a filename in silverstripe/assets via the AssetControlExtension.

Affected Packages

6 total 6 fixed
EcosystemPackageVulnerable rangeFix
🐘Packagistsilverstripe/frameworkall versions3.6.8
🐘Packagistsilverstripe/framework3.7.0&&< 3.7.43.7.4
🐘Packagistsilverstripe/framework4.0.0&&< 4.3.64.3.6
🐘Packagistsilverstripe/framework4.4.0&&< 4.4.44.4.4
🐘Packagistsilverstripe/assets1.0.0&&< 1.3.51.3.5
🐘Packagistsilverstripe/assets1.4.0&&< 1.4.41.4.4

Detection & mitigation playbook

Open-source dependency
  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for silverstripe/framework. O3's reachability analysis confirms whether the vulnerable code path is actually invoked in your application, so you act on real exposure instead of every transitive match.

  2. Fix

    Update silverstripe/framework to 3.6.8 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2019-12245 is resolved across your whole dependency graph.

  3. Workarounds

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

  4. How O3 protects you

    O3 pinpoints whether CVE-2019-12245 is reachable in your code and exactly where to fix it, then blocks exploitation in production at runtime until the patched version is deployed.

Tailored to CVE-2019-12245. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

SilverStripe through 4.3.3 has incorrect access control for protected files uploaded via Upload::loadIntoFile(). An attacker may be able to guess a filename in silverstripe/assets via the AssetControlExtension.
O3 Security · Impact-Aware SCA

Is CVE-2019-12245 in your dependencies?

O3 detects CVE-2019-12245 across Packagist dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.