XSS in Osnexus Quantastor
CVE-2017-9979
On the OSNEXUS QuantaStor v4 virtual appliance before 4.3.1, if the REST call invoked does not exist, an error will be triggered containing the invalid method previously invoked. The response sent to the user isn't sanitized in this case. An attacker can leverage this issue by including arbitrary HTML or JavaScript code as a parameter, aka XSS.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.026 (84.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 84.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.026 · newest: 0.026 · 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-2017-9979?
- CVE-2017-9979 is a medium-severity vulnerability in Osnexus Quantastor, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-08-28.
- How severe is CVE-2017-9979?
- Medium severity. CVSS v3 base score is 6.1 out of 10.