Vulnerability · Published Feb 10, 2021 · Assigned by zdi

CVE-2020-27871

High 7.2

In plain English

A high-severity path traversal in Orion Platform from SolarWinds. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 90.8% (higher than 99.8% of all known vulnerabilities).

Severity (CVSS 3.0)7.2High

Exploit odds (30 days)90.8%top 0.2% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

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.

Affected products (as reported)

Vendor	Product	Versions
SolarWinds	Orion Platform	2020.2.1

Weakness: CWE-22 · Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

References

https://www.zerodayinitiative.com/advisories/ZDI-21-067/ x_refsource_MISC