How severe is CVE-2007-0213?

CVE-2007-0213 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2007-0213 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 66% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-0213?

CVE-2007-0213 primarily affects Microsoft Exchange Server. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2007-0213?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2007-0213 published?

CVE-2007-0213 was published on 2007-05-08 and last updated on 2026-06-16.

CVE-2007-0213

CVE-2007-0213 is a critical-severity vulnerability in Microsoft Exchange Server with a CVSS 2.0 base score of 10.0. Its EPSS exploit-prediction score of 66% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-20.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 66% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Microsoft Exchange Server
Published: 2007-05-08
Last modified: 2026-06-16

Description

Microsoft Exchange Server 2000 SP3, 2003 SP1 and SP2, and 2007 does not properly decode certain MIME encoded e-mails, which allows remote attackers to execute arbitrary code via a crafted base64-encoded MIME e-mail message.

Frequently asked questions

What is CVE-2007-0213?: Microsoft Exchange Server 2000 SP3, 2003 SP1 and SP2, and 2007 does not properly decode certain MIME encoded e-mails, which allows remote attackers to execute arbitrary code via a crafted base64-encoded MIME e-mail message.
How severe is CVE-2007-0213?: CVE-2007-0213 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2007-0213 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 66% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-0213?: CVE-2007-0213 primarily affects Microsoft Exchange Server. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2007-0213?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2007-0213 published?: CVE-2007-0213 was published on 2007-05-08 and last updated on 2026-06-16.

References

Affected products (4)

cpe:2.3:a:microsoft:exchange_server:2000:sp3:*:*:*:*:*:*
cpe:2.3:a:microsoft:exchange_server:2003:sp1:*:*:*:*:*:*
cpe:2.3:a:microsoft:exchange_server:2003:sp2:*:*:*:*:*:*
cpe:2.3:a:microsoft:exchange_server:2007:-:*:*:*:*:*:*

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