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Vulnerability · Published Jan 9, 2024 · Assigned by microsoft

CVE-2024-20655Microsoft Online Certificate Status Protocol (OCSP) Remote Code Execution Vulnerability

Medium 6.6

In plain English

A medium-severity use-after-free in Windows Server 2008 R2 Service Pack 1 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 73% of all known vulnerabilities).

Severity (CVSS 3.1)6.6Medium
Exploit odds (30 days)1.4%top 27.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Microsoft Online Certificate Status Protocol (OCSP) Remote Code Execution Vulnerability

Affected products (as reported)

VendorProductVersions
Microsoft Windows Server 2019 10.0.17763.0 – before 10.0.17763.5329
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0 – before 10.0.17763.5329
Microsoft Windows Server 2022 10.0.20348.0 – before 10.0.20348.2227
Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.0 – before 10.0.25398.643
Microsoft Windows Server 2016 10.0.14393.0 – before 10.0.14393.6614
Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0 – before 10.0.14393.6614
Microsoft Windows Server 2008 Service Pack 2 6.0.6003.0 – before 6.0.6003.22464
Microsoft Windows Server 2008 Service Pack 2 (Server Core installation) 6.0.6003.0 – before 6.0.6003.22464
Microsoft Windows Server 2008 Service Pack 2 6.0.6003.0 – before 6.0.6003.22464
Microsoft Windows Server 2008 R2 Service Pack 1 6.1.7601.0 – before 6.1.7601.26910
Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.0 – before 6.1.7601.26910
Microsoft Windows Server 2012 6.2.9200.0 – before 6.2.9200.24664
Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0 – before 6.2.9200.24664
Microsoft Windows Server 2012 R2 6.3.9600.0 – before 6.3.9600.21765
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 – before 6.3.9600.21765

Weakness: CWE-416 · Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

References