Vulnerability Details : CVE-2020-1509
An elevation of privilege vulnerability exists in the Local Security Authority Subsystem Service (LSASS) when an authenticated attacker sends a specially crafted authentication request. A remote attacker who successfully exploited this vulnerability could cause an elevation of privilege on the target system's LSASS service.
The security update addresses the vulnerability by changing the way that LSASS handles specially crafted authentication requests.
Vulnerability category: Gain privilege
Products affected by CVE-2020-1509
- cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2016:1903:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2016:1909:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2016:2004:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-1509
2.32%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 89 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-1509
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.5
|
MEDIUM | AV:N/AC:L/Au:S/C:P/I:P/A:P |
8.0
|
6.4
|
NIST | |
|
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST | |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
Microsoft Corporation | 2024-01-04 |
References for CVE-2020-1509
-
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1509
CVE-2020-1509 | Local Security Authority Subsystem Service Elevation of Privilege VulnerabilityPatch;Vendor Advisory
Jump to