CVE-2003-0565
CVE-2003-0565 is a medium-severity vulnerability with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: Medium (CVSS 2.0 base score 5.0)
- EPSS exploit prediction: 3% (83rd percentile)
- Actively exploited: Not listed in CISA KEV
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2003-0565?
- 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.
- How severe is CVE-2003-0565?
- CVE-2003-0565 has a CVSS 2.0 base score of 5.0, rated medium severity.
- Is CVE-2003-0565 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2003-0565?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2003-0565 published?
- CVE-2003-0565 was published on 2003-12-01 and last updated on 2026-06-16.