The Local Security Authority Subsystem Service (LSASS) in Microsoft Windows XP SP2 and SP3 and Server 2003 SP2 does not properly process authentication requests, which allows local users to gain privileges via a request with a crafted length, aka "LSASS Length Validation Vulnerability."
Published Feb 9, 2011
7.2
HIGHCVSS 2.0
EPSS 1.92%
Description
The Local Security Authority Subsystem Service (LSASS) in Microsoft Windows XP SP2 and SP3 and Server 2003 SP2 does not properly process authentication requests, which allows local users to gain privileges via a request with a crafted length, aka "LSASS Length Validation Vulnerability."
Affected products
No data.
- n/a
- n/a
- n/a
- n/a
- n/a
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:L/AC:L/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.92% (0.01924) | 79.20th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.92% (0.01924) | 77.21th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.35% (0.01351) | 78.78th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.09% (0.00090) | 40.31th | v3 (v2023.03.01) |
| Jun 26, 2024 | 0.09% (0.00090) | 38.91th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.09% (0.00090) | 36.91th | v3 (v2023.03.01) |
| Mar 6, 2023 | 5.29% (0.05288) | 89.84th | v2 (v2022.01.01) |
| Apr 1, 2022 | 5.29% (0.05288) | 88.81th | v2 (v2022.01.01) |
| Feb 4, 2022 | 5.29% (0.05288) | 75.95th | v2 (v2022.01.01) |
References (6)
- http://secunia.com/advisories/43253 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://www.securityfocus.com/bid/46152 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id?1025049 vdb-entryx_refsource_SECTRACK
- http://www.vupen.com/english/advisories/2011/0327 vdb-entryx_refsource_VUPENVendor Advisory
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-014 vendor-advisoryx_refsource_MS
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12537 vdb-entrysignaturex_refsource_OVAL
| Link | Providers | Tags |
|---|---|---|
| http://secunia.com/advisories/43253 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://www.securityfocus.com/bid/46152 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id?1025049 | vdb-entryx_refsource_SECTRACK | |
| http://www.vupen.com/english/advisories/2011/0327 | vdb-entryx_refsource_VUPENVendor Advisory | |
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-014 | vendor-advisoryx_refsource_MS | |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12537 | vdb-entrysignaturex_refsource_OVAL |
Change history (0)
No recorded changes yet.