CVE-2020-27871 Path traversal in Orion Platform

What is CVE-2020-27871?

CVE-2020-27871 is a high-severity path traversal vulnerability in SolarWinds Orion Platform, published on 10 Feb 2021. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

This vulnerability allows remote attackers to create arbitrary files on affected installations of SolarWinds Orion Platform 2020.2.1. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within VulnerabilitySettings.aspx. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-11902.

Weakness: CWE-22

Which versions are affected by CVE-2020-27871?

It affects 1 product.

Products include Solarwinds Orion Platform.

How do I fix CVE-2020-27871?

No fix has been published for CVE-2020-27871 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2020-27871 being exploited?

There is no known exploitation of CVE-2020-27871 in the wild and no public exploit code.

Other vulnerabilities in SolarWinds Orion Platform

• CVE-2020-10148 SolarWinds Orion Authentication Bypass Exploited Critical 9.8
• CVE-2021-27258 Privilege escalation in Orion Platform Critical 9.8
• CVE-2021-25274 Deserialization in n/a Critical 9.8
• CVE-2019-9546 Privilege escalation in n/a Critical 9.8
• CVE-2020-13169 Cross-site scripting in n/a Critical 9.0

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-w3pj-9p3h-pxx8.