CVE-2017-9978 EXPLOIT
5.3
MEDIUM · CVSS 3.0 · EPSS 4.7% (pctl 92)
Patch early
A public exploit exists.
Description
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 and enumerate valid accounts on the system by searching for common usernames.
Scoring
| CVSS | 5.3 (MEDIUM, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
| EPSS | 4.75% — more likely to be exploited than 92% of all CVEs |
| Weakness | CWE-200 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2017-08-28 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| osnexus | quantastor |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | QuantaStor Software Defined Storage < 4.3.1 - Multiple Vulnerabilities | 2017-08-18 |
References
- http://packetstormsecurity.com/files/143780/OSNEXUS-QuantaStor-4-Information-Disclosure.html
- http://seclists.org/fulldisclosure/2017/Aug/23
- http://www.vvvsecurity.com/advisories/vvvsecurity-advisory-2017-6943.txt
- https://www.exploit-db.com/exploits/42517/
- http://packetstormsecurity.com/files/143780/OSNEXUS-QuantaStor-4-Information-Disclosure.html
- http://seclists.org/fulldisclosure/2017/Aug/23
- http://www.vvvsecurity.com/advisories/vvvsecurity-advisory-2017-6943.txt
- https://www.exploit-db.com/exploits/42517/
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