Information disclosure in Osnexus Quantastor
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.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.047 (91.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 91.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.047 · newest: 0.047 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.vvvsecurity.com/advisories/vvvsecurity-advisory-2017-6943.txt (URL Repurposed, Exploit, Third Party Advisory)
- www.exploit-db.com/exploits/42517/ (Exploit, VDB Entry, Third Party Advisory, exploit)
- seclists.org/fulldisclosure/2017/Aug/23 (mailing-list, Exploit, Mailing List, Third Party Advisory)
- packetstormsecurity.com/files/143780/OSNEXUS-QuantaStor-4-Information-Disclosur… (Exploit, VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-9978?
- CVE-2017-9978 is a medium-severity vulnerability in Osnexus Quantastor, classified under Information Disclosure. CVSS score: 5.3/10. Published 2017-08-28.
- How severe is CVE-2017-9978?
- Medium severity. CVSS v3 base score is 5.3 out of 10.