It was discovered that a previous vulnerability was not completely fixed with SolarWinds Access Rights Manager. While some controls were implemented the researcher was able to bypass these and use a different method to exploit the vulnerability.
https://www.zerodayinitiative.com/advisories/ZDI-24-906/
https://www.bleepingcomputer.com/news/security/solarwinds-fixes-8-critical-bugs-in-access-rights-audit-software
https://documentation.solarwinds.com/en/success_center/arm/content/release_notes/arm_2024-3_release_notes.htm
Source: Mitre, NVD
Published: 2024-07-17
Updated: 2024-07-18
Base Score: 8.3
Vector: CVSS2#AV:A/AC:L/Au:N/C:C/I:C/A:C
Severity: High
Base Score: 9.6
Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Severity: Critical