How severe is CVE-2010-0025?

CVE-2010-0025 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2010-0025 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 21% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-0025?

CVE-2010-0025 primarily affects Microsoft Windows 2000. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2010-0025?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2010-0025 published?

CVE-2010-0025 was published on 2010-04-14 and last updated on 2026-06-16.

CVE-2010-0025

CVE-2010-0025 is a medium-severity vulnerability in Microsoft Windows 2000 with a CVSS 2.0 base score of 5.0. Its EPSS exploit-prediction score of 21% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-200.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 21% (97th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Microsoft Windows 2000
Published: 2010-04-14
Last modified: 2026-06-16

Description

The SMTP component in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP2, and Server 2008 Gold, SP2, and R2, and Exchange Server 2000 SP3, does not properly allocate memory for SMTP command replies, which allows remote attackers to read fragments of e-mail messages by sending a series of invalid commands and then sending a STARTTLS command, aka "SMTP Memory Allocation Vulnerability."

Frequently asked questions

What is CVE-2010-0025?: The SMTP component in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP2, and Server 2008 Gold, SP2, and R2, and Exchange Server 2000 SP3, does not properly allocate memory for SMTP command replies, which allows remote attackers to read fragments of e-mail messages by sending a series of invalid commands and then sending a STARTTLS command, aka "SMTP Memory Allocation Vulnerability."
How severe is CVE-2010-0025?: CVE-2010-0025 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2010-0025 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 21% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-0025?: CVE-2010-0025 primarily affects Microsoft Windows 2000. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2010-0025?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2010-0025 published?: CVE-2010-0025 was published on 2010-04-14 and last updated on 2026-06-16.

References

Affected products (16)

cpe:2.3:o:microsoft:windows_2000:-:sp4:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_xp:-:sp2:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_xp:-:sp2:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_xp:-:sp3:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_2003_server:-:sp2:*:*:*:*:itanium:*
cpe:2.3:o:microsoft:windows_server_2003:-:sp2:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2008:-:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2008:-:r2:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x86:*
cpe:2.3:a:microsoft:exchange_server:2000:sp3:*:*:*:*:*:*
cpe:2.3:a:microsoft:exchange_server:2003:sp2:*:*:*:*:*:*
cpe:2.3:a:microsoft:exchange_server:2007:sp1:*:*:*:*:x64:*
cpe:2.3:a:microsoft:exchange_server:2007:sp2:*:*:*:*:x64:*
cpe:2.3:a:microsoft:exchange_server:2010:-:*:*:*:*:x64:*

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