Published: 17/03/2022 Updated: 23/03/2022

CVSS v2 Base Score: 7.2 | Impact Score: 10 | Exploitability Score: 3.9

CVSS v3 Base Score: 7.8 | Impact Score: 5.9 | Exploitability Score: 1.8

VMScore: 642

Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C

Deserialization of untrusted data in Veeam Agent for Windows 2.0, 2.1, 2.2, 3.0.2, 4.x, and 5.x allows local users to run arbitrary code with local system privileges.

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veeam veeam 2.0
veeam veeam 2.1
veeam veeam 2.2
veeam veeam 3.0.2
veeam veeam

Journey during my 100 days of Homelab in 2022

100DaysOfHomeLab Twitter: #100DaysOfHomeLab Day 001 - onprem Confluence upgrade to 7181 Critical security issue Day 002 - Updating server via ansible Day 003 - creating VM and installing + configuring OS for pi-hole Day 004 - pi-HOLE installed Installation admin web page Day 005 - Backing up wife's computer before re-

CVE-2022-26503 Summary: Vulnerability (CVE-2022-26503) in Veeam Agent for Microsoft Windows allows local privilege escalation An attacker who successfully exploited this vulnerability could run arbitrary code with LOCAL SYSTEM privileges Shout out to @ultrayoba The Patch: The implemented patch shows blood trail of Deserialization: Veeam official KB mentions

CWE-502 https://veeam.com https://www.veeam.com/kb4289 https://nvd.nist.gov https://github.com/musil/100DaysOfHomeLab2022

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