High severity · published Feb 10, 2021
CVE-2020-27871
This vulnerability allows remote attackers to create arbitrary files on affected installations of SolarWinds Orion Platform 2020.2.1
7.2
CVSS
90.8%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)90.8% · higher than 100% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
Orion Platform · SolarWinds
2020.2.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-27871
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-27871
Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-067/
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