Vulnerability · Published Apr 14, 2021 · Assigned by zdi

CVE-2021-27258

Critical 9.8

In plain English

A critical-severity improper access control 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 4.1% (higher than 91% of all known vulnerabilities).

Severity (CVSS 3.0)9.8Critical

Exploit odds (30 days)4.1%top 9.2% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

This vulnerability allows remote attackers to 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.

Affected products (as reported)

Vendor	Product	Versions
SolarWinds	Orion Platform	2020.2

Weakness: CWE-284 · Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

https://www.zerodayinitiative.com/advisories/ZDI-21-192/ x_refsource_MISC