CVE-2021-27240: high-severity vulnerability in SolarWinds Patch Manager
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.8epss 0.4%
This vulnerability allows local attackers to escalate privileges on affected installations of SolarWinds Patch Manager 2020.2.1. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the DataGridService WCF service. The issue results from the lack of proper validation of user-supplied data, which can result in deserialization of untrusted data. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of Administrator. Was ZDI-CAN-12009.
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
SolarWinds · Patch ManagerRelated CVEs — SolarWinds Patch Manager
In the same product, most dangerous first.
CVE-2021-35216HIGHDeserialization of Untrusted Data in Resource Controls Remote Code ExecutionEPSS 81.4%CVE-2021-35218HIGHChart Endpoint Deserialization of Untrusted Data Remote Code Execution VulnerabilityEPSS 76.4%CVE-2026-28331MEDIUMSolarWinds Patch Manager Sensitive Information Exposure VulnerabilityEPSS 0.2%