CVE-2003-0564

CVE-2003-0564 is a medium-severity vulnerability in Hitachi Groupmax Mail - Security Option 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

Description

Multiple vulnerabilities in multiple vendor implementations of the Secure/Multipurpose Internet Mail Extensions (S/MIME) protocol allow remote attackers to cause a denial of service and possibly execute arbitrary code via an S/MIME email message containing certain unexpected ASN.1 constructs, as demonstrated using the NISSC test suite.

Frequently asked questions

What is CVE-2003-0564?
Multiple vulnerabilities in multiple vendor implementations of the Secure/Multipurpose Internet Mail Extensions (S/MIME) protocol allow remote attackers to cause a denial of service and possibly execute arbitrary code via an S/MIME email message containing certain unexpected ASN.1 constructs, as demonstrated using the NISSC test suite.
How severe is CVE-2003-0564?
CVE-2003-0564 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2003-0564 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-0564?
CVE-2003-0564 primarily affects Hitachi Groupmax Mail - Security Option. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2003-0564?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2003-0564 published?
CVE-2003-0564 was published on 2003-12-01 and last updated on 2026-06-16.

References

Affected products (2)