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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 91%
VendorProductVersion
osnexusquantastor
𝑥
≤ 4.3.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
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/