CVE-2021-27258 Privilege escalation in Orion Platform

What is CVE-2021-27258?

CVE-2021-27258 is a critical vulnerability in SolarWinds Orion Platform, published on 14 Apr 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

This vulnerability allows remote attackers to execute escalate privileges on affected installations of SolarWinds Orion Platform 2020.2. Authentication is not required to exploit this vulnerability. The specific flaw exists within the SaveUserSetting endpoint. The issue results from improper restriction of this endpoint to unprivileged users. An attacker can leverage this vulnerability to escalate privileges their privileges from Guest to Administrator. Was ZDI-CAN-11903.

Weakness: CWE-284

Which versions are affected by CVE-2021-27258?

It affects 1 product.

Products include Solarwinds Orion Platform.

How do I fix CVE-2021-27258?

No fix has been published for CVE-2021-27258 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-27258 being exploited?

There is no known exploitation of CVE-2021-27258 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-2021-25274 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
• CVE-2021-35215 ActionPluginBaseView Deserialization of Untrusted Data RCE High 8.9

Sources

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

Also known as GHSA-3fp3-2jwc-wxvv.