CVE-2021-27240 — HIGH (7.8)

Vulnerability Description

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 Score

7.8

HIGH

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Solarwinds	Patch Manager	2020.2.1

Related Weaknesses (CWE)

CWE-502

References

https://www.zerodayinitiative.com/advisories/ZDI-21-207/Third Party AdvisoryVDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-21-207/Third Party AdvisoryVDB Entry

FAQ

What is CVE-2021-27240?

CVE-2021-27240 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 cod...

How severe is CVE-2021-27240?

CVE-2021-27240 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-27240?

Check the references section above for vendor advisories and patch information. Affected products include: Solarwinds Patch Manager.