CVE-2013-7249 — fat_free_crm
Fix: fatfreecrm/fat_free_crm@cf26a04CVE-2013-7249 is a Information Exposure vulnerability in fat_free_crm. 2 public exploit references exist, so weaponization risk is real. A fix is available for fat_free_crm — see the affected versions and patch details below.
Fat Free CRM vulnerable to Exposure of Sensitive Information
EPSS Exploitation Probability
EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.
Real-World Exposure
fat_free_crmReal-time download stats are indexed for npm and PyPI packages. This vulnerability affects RubyGems packages — download data is not available via public APIs for these ecosystems.
Description
Fat Free CRM before 0.12.1 does not restrict XML serialization, which allows remote attackers to obtain sensitive information via a direct request, as demonstrated by a request for users/1.xml, a different vulnerability than CVE-2013-7224.
Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| 💎RubyGems | fat_free_crm | all versions | 0.12.1bundle update fat_free_crm --conservative |
Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.
Detection & mitigation playbook
Open-source dependencyDetect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for fat_free_crm, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update fat_free_crm to 0.12.1 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2013-7249 is resolved across your whole dependency graph.
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.
How O3 protects you
O3 Security's impact-aware SCA analyses which vulnerable code paths your application actually calls, so a match like CVE-2013-7249 can be triaged on real exposure rather than presence alone.
Tailored to CVE-2013-7249. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.
Frequently Asked Questions
Is CVE-2013-7249 in your dependencies?
O3 Security finds CVE-2013-7249 across RubyGems dependencies, including transitive ones, and its impact-aware SCA ranks findings by whether your code actually calls the vulnerable path.