CVE-2021-35221 ImportAlert Improper Access Control Tampering Vulnerability

What is CVE-2021-35221?

CVE-2021-35221 is a medium-severity missing authorization vulnerability in SolarWinds Orion Platform, published on 31 Aug 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Improper Access Control Tampering Vulnerability using ImportAlert function which can lead to a Remote Code Execution (RCE) from the Alerts Settings page.

Weakness: CWE-284

Which versions are affected by CVE-2021-35221?

It affects 1 product.

Products include Solarwinds Orion Platform.

How do I fix CVE-2021-35221?

No fix has been published for CVE-2021-35221 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2021-35221 being exploited?

There is no known exploitation of CVE-2021-35221 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-wmhm-qm44-p3j4.