Microsoft Visio 2003 SP3 2007 SP3, and 2010 SP1 allows remote attackers to read arbitrary files via an XML document containing an external entity declaration in conjunction with an entity reference, aka "XML External Entities Resolution Vulnerability."
Conclusion & alert: CVE-2013-1301 is rated Moderate Risk (51.9/100): CVSS Medium severity, with high exploitation likelihood (EPSS 27.83%, 96th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +1.03% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-10-18 | 26.80% | 27.83% | +1.03% |
| 2 | 2025-03-30 | 38.21% | 26.80% | -11.40% |
| 3 | 2025-03-29 | — | 38.21% | — |
Full EPSS history (15 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| URL | Tags |
|---|---|
| http://www.us-cert.gov/ncas/alerts/TA13-134A | Third Party Advisory US Government Resource |
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-044 | |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16750 |