# CVE-2003-0565

## Summary

- **CVE ID:** CVE-2003-0565
- **Severity:** UNKNOWN
- **CVSS Score:** 0.2
- **CWE:** N/A
- **Published:** Nov 6, 2003
- **Last Modified:** Mar 16, 2026

## Description

Multiple vulnerabilities in multiple vendor implementations of the X.400 protocol allow remote attackers to cause a denial of service and possibly execute arbitrary code via an X.400 message containing certain unexpected ASN.1 constructs, as demonstrated using the NISSC test suite.

## Affected Products

- n/a — n/a (n/a)

## References

- [CNA](http://www.kb.cert.org/vuls/id/927278)
- [CNA](http://www.uniras.gov.uk/vuls/2003/006489/x400.htm)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 4.88%
- **EPSS Percentile:** 89.4

---
_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._