CVE-2017-9978

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 v3.0

5.3 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CVSS v2.0

5.0 MEDIUMAV:N/AC:L/Au:N/C:P/I:N/A:N

EPSS

4.75% chance of exploitation in the next 30 days, 91th percentile

Published

2017-08-28

Updated

2024-08-05

Proof-of-concept exploits (2)

• http://packetstormsecurity.com/files/143780/OSNEXUS-QuantaStor-4-Information-Disclosure.h…
• http://seclists.org/fulldisclosure/2017/Aug/23

ExploitDB entries (1)

• https://www.exploit-db.com/exploits/42517

References

• CVE Record
• NVD entry

Related

• CVE-2017-9965
• CVE-2017-9979
• CVE-2017-9947
• CVE-2017-9987
• CVE-2017-9946
• CVE-2017-9988