CVE-2021-27258 — CRITICAL (9.8)

Vulnerability 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.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Solarwinds	Orion Platform	2020.2

Related Weaknesses (CWE)

CWE-284

References

https://www.zerodayinitiative.com/advisories/ZDI-21-192/Third Party AdvisoryVDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-21-192/Third Party AdvisoryVDB Entry

FAQ

What is CVE-2021-27258?

CVE-2021-27258 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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. T...

How severe is CVE-2021-27258?

CVE-2021-27258 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-27258?

Check the references section above for vendor advisories and patch information. Affected products include: Solarwinds Orion Platform.