Vulnerability · Published Jul 11, 2023 · Assigned by microsoft

CVE-2023-35317Windows Server Update Service (WSUS) Elevation of Privilege Vulnerability

High 7.8

In plain English

A high-severity unsafe deserialization in Windows Server 2012 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 72% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.

Severity (CVSS 3.1)7.8High
Exploit odds (30 days)1.4%top 27.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling1Public PoC

Official description

Windows Server Update Service (WSUS) Elevation of Privilege Vulnerability

Affected products (as reported)

VendorProductVersions
Microsoft Windows Server 2019 10.0.17763.0 – before 10.0.17763.4645
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0 – before 10.0.17763.4645
Microsoft Windows Server 2022 10.0.20348.0 – before 10.0.20348.1850
Microsoft Windows Server 2016 10.0.14393.0 – before 10.0.14393.6085
Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0 – before 10.0.14393.6085
Microsoft Windows Server 2012 6.2.9200.0 – before 6.2.9200.24374
Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0 – before 6.2.9200.24374
Microsoft Windows Server 2012 R2 6.3.9600.0 – before 6.3.9600.21063
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 – before 6.3.9600.21063

Weakness: CWE-502 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

References