Osnexus
Osnexus Quantastor: vulnerabilities and CVEs
Osnexus Quantastor has 9 published vulnerabilities, 1 of them in the last 12 months. 1 are rated critical and 0 are listed by CISA as actively exploited.
CVEs9
Last 12 months1
Critical1
Actively exploited0
All vulnerabilities in the catalogue →⭐ Follow this technology
Latest vulnerabilities
| CVE | Severity | EPSS | Active exploitation | Published | Description |
|---|---|---|---|---|---|
| CVE-2026-18265 | Critical (9.8) | 0.69% | — | Aug 20, 2026 | OSNEXUS QuantaStor Missing Authentication Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of OSNEXUS QuantaStor. Authentication is not… |
| CVE-2021-4406 | High (7.2) | 0.96% | — | Jul 10, 2023 | An authenticated attacker is able to create alerts that trigger a stored XSS attack. POC ' -h && id | tee /tmp/ttttttddddssss #' (whitespaces are tab characters) “id | tee /tmp/ttttttddddssss” as root.… |
| CVE-2021-42083 | Medium (5.4) | 0.55% | — | Jul 10, 2023 | An authenticated attacker is able to create alerts that trigger a stored XSS attack. POC ' -h && id | tee /tmp/ttttttddddssss #' (whitespaces are tab characters) “id | tee /tmp/ttttttddddssss” as root.… |
| CVE-2021-42082 | High (7.8) | 0.18% | — | Jul 10, 2023 | 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`' |
| CVE-2021-42081 | High (7.2) | 1.2% | — | Jul 10, 2023 | An authenticated administrator is allowed to remotely execute arbitrary shell commands via the API. POC… |
| CVE-2021-42080 | High (7.4) | 0.69% | — | Jul 10, 2023 | An attacker is able to launch a Reflected XSS attack using a crafted URL. POC: Visit the following URL https://<IPADDRESS>:8153/qstorapi/echo?inputMessage=<img%20src=x%20onerror=alert(document.cookie)> |
| CVE-2021-42079 | Medium (4.9) | 0.69% | — | Jul 10, 2023 | An authenticated administrator is able to prepare an alert that is able to execute an SSRF attack. This is exclusively with POST requests. POC Step 1: Prepare the SSRF with a request like this: GET… |
| CVE-2017-9979 | Medium (6.1) | 2.6% | — | Aug 28, 2017 | On the OSNEXUS QuantaStor v4 virtual appliance before 4.3.1, if the REST call invoked does not exist, an error will be triggered containing the invalid method previously invoked. The response sent to the user isn't… |
| CVE-2017-9978 | Medium (5.3) | 4.7% | — | Aug 28, 2017 | On the OSNEXUS QuantaStor v4 virtual appliance before 4.3.1, a flaw was found with the error message sent as a response for users that don't exist on the system. An attacker could leverage this information to fine-tune… |
🎯 How it gets exploited (ATT&CK techniques)
Number of CVEs of this technology mapped to each exploitation or primary-impact technique.