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CVE-2010-0820

HIGHCVSS 8.8/10EPSS 14.36%

Last modified

CVE-2010-0820 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Heap-based buffer overflow in the Local Security Authority Subsystem Service (LSASS), as used in Active Directory in Microsoft Windows Server 2003 SP2 and Windows Server 2008 Gold, SP2, and R2; Active Directory Application Mode (ADAM) in Windows XP SP2 and SP3 and Windows Server 2003 SP2; and Active Directory Lightweight Directory Service (AD LDS) in Windows Vista SP2, Windows Server 2008 Gold, SP2, and R2, and Windows 7, allows remote authenticated users to execute arbitrary code via malformed LDAP messages, aka "LSASS Heap Overflow Vulnerability.". EPSS estimates a 14.36% chance of exploitation in the next 30 days.

Description

Heap-based buffer overflow in the Local Security Authority Subsystem Service (LSASS), as used in Active Directory in Microsoft Windows Server 2003 SP2 and Windows Server 2008 Gold, SP2, and R2; Active Directory Application Mode (ADAM) in Windows XP SP2 and SP3 and Windows Server 2003 SP2; and Active Directory Lightweight Directory Service (AD LDS) in Windows Vista SP2, Windows Server 2008 Gold, SP2, and R2, and Windows 7, allows remote authenticated users to execute arbitrary code via malformed LDAP messages, aka "LSASS Heap Overflow Vulnerability."

Metrics

CVSS 3.1
8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
14.36%

96.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
MicrosoftWindows 7All versions—
MicrosoftWindows Server 2003All versionsSp2
MicrosoftWindows Server 2008All versions—
MicrosoftWindows Server 2008r2—
MicrosoftWindows VistaAll versionsSp2
MicrosoftWindows XpAll versionsSp3

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2010-0820?
Heap-based buffer overflow in the Local Security Authority Subsystem Service (LSASS), as used in Active Directory in Microsoft Windows Server 2003 SP2 and Windows Server 2008 Gold, SP2, and R2; Active Directory Application Mode (ADAM) in Windows XP SP2 and SP3 and Windows Server 2003 SP2; and Active Directory Lightweight Directory Service (AD LDS) in Windows Vista SP2, Windows Server 2008 Gold, SP2, and R2, and Windows 7, allows remote authenticated users to execute arbitrary code via malformed LDAP messages, aka "LSASS Heap Overflow Vulnerability."
How severe is CVE-2010-0820?
CVE-2010-0820 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 14.36% probability of exploitation in the next 30 days.
How do I fix CVE-2010-0820?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2010-0820?

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Source: NVD / NIST