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cvelistCertccCVELIST:CVE-2019-9510
HistoryJan 15, 2020 - 5:05 p.m.

CVE-2019-9510 Microsoft Windows RDP can bypass the Windows lock screen

2020-01-1517:05:27
CWE-288
certcc
www.cve.org
7

CVSS3

5.3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

LOW

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

AI Score

7.6

Confidence

High

EPSS

0.001

Percentile

21.9%

A vulnerability in Microsoft Windows 10 1803 and Windows Server 2019 and later systems can allow authenticated RDP-connected clients to gain access to user sessions without needing to interact with the Windows lock screen. Should a network anomaly trigger a temporary RDP disconnect, Automatic Reconnection of the RDP session will be restored to an unlocked state, regardless of how the remote system was left. By interrupting network connectivity of a system, an attacker with access to a system being used as a Windows RDP client can gain access to a connected remote system, regardless of whether or not the remote system was locked. This issue affects Microsoft Windows 10, version 1803 and later, and Microsoft Windows Server 2019, version 2019 and later.

CNA Affected

[
  {
    "product": "Windows 10 or newer system using RDP",
    "vendor": "Microsoft",
    "versions": [
      {
        "lessThan": "10 *",
        "status": "affected",
        "version": "1803",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "Windows Server",
    "vendor": "Microsoft",
    "versions": [
      {
        "lessThan": "2019*",
        "status": "affected",
        "version": "2019",
        "versionType": "custom"
      }
    ]
  }
]

CVSS3

5.3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

LOW

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

AI Score

7.6

Confidence

High

EPSS

0.001

Percentile

21.9%

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