How severe is CVE-2011-0030?

CVE-2011-0030 has a CVSS 2.0 base score of 4.7, rated medium severity.

Is CVE-2011-0030 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-0030?

CVE-2011-0030 primarily affects Microsoft Windows 2003 Server. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-0030?

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

When was CVE-2011-0030 published?

CVE-2011-0030 was published on 2011-02-09 and last updated on 2026-06-16.

CVE-2011-0030

CVE-2011-0030 is a medium-severity vulnerability in Microsoft Windows 2003 Server with a CVSS 2.0 base score of 4.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-264.

Key facts

Severity: Medium (CVSS 2.0 base score 4.7)
EPSS exploit prediction: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Microsoft Windows 2003 Server
Published: 2011-02-09
Last modified: 2026-06-16

Description

The Client/Server Run-time Subsystem (CSRSS) in Microsoft Windows XP SP2 and SP3 and Server 2003 SP2 does not properly kill processes after a logout, which allows local users to obtain sensitive information or gain privileges via a crafted application that continues to execute throughout the logout of one user and the login session of the next user, aka "CSRSS Elevation of Privilege Vulnerability," a different vulnerability than CVE-2010-0023.

Frequently asked questions

What is CVE-2011-0030?: The Client/Server Run-time Subsystem (CSRSS) in Microsoft Windows XP SP2 and SP3 and Server 2003 SP2 does not properly kill processes after a logout, which allows local users to obtain sensitive information or gain privileges via a crafted application that continues to execute throughout the logout of one user and the login session of the next user, aka "CSRSS Elevation of Privilege Vulnerability," a different vulnerability than CVE-2010-0023.
How severe is CVE-2011-0030?: CVE-2011-0030 has a CVSS 2.0 base score of 4.7, rated medium severity.
Is CVE-2011-0030 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-0030?: CVE-2011-0030 primarily affects Microsoft Windows 2003 Server. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-0030?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-0030 published?: CVE-2011-0030 was published on 2011-02-09 and last updated on 2026-06-16.

References

Affected products (5)

cpe:2.3:o:microsoft:windows_2003_server:*:sp2:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_2003_server:*:sp2:itanium:*:*:*:*:*
cpe:2.3:o:microsoft:windows_2003_server:*:sp2:x64:*:*:*:*:*
cpe:2.3:o:microsoft:windows_xp:*:sp3:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_xp:-:sp2:x64:*:*:*:*:*

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