CVE-2017-9978
An attacker could leverage this information to fine-tune and enumerate valid accounts on the system by searching for common usernames.
Does this matter?
A public exploit is published in Exploit-DB, so the technical barrier is gone even though the severity is medium and EPSS is 4.7%. Treat it as high on anything reachable from the internet.
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.
- CVSS 3.0
- 5.3 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- EPSS
- 4.75% probability · 92th percentile
- Public exploits
- 1 in Exploit-DB · first 18 August 2017
- CISA KEV
- Not listed
- Weakness
- CWE-200
- Affected
- osnexus/quantastor
- Source
- cve@mitre.org
EPSS 4.7% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://packetstormsecurity.com/files/143780/OSNEXUS-QuantaStor-4-Information-Disclosure.htmlExploit, Third Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2017/Aug/23Exploit, Mailing List, Third Party Advisory
- http://www.vvvsecurity.com/advisories/vvvsecurity-advisory-2017-6943.txtExploit, Third Party Advisory, URL Repurposed
- https://www.exploit-db.com/exploits/42517/Exploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/143780/OSNEXUS-QuantaStor-4-Information-Disclosure.htmlExploit, Third Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2017/Aug/23Exploit, Mailing List, Third Party Advisory
- http://www.vvvsecurity.com/advisories/vvvsecurity-advisory-2017-6943.txtExploit, Third Party Advisory, URL Repurposed
- https://www.exploit-db.com/exploits/42517/Exploit, Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.