CVE-2017-9978

Name: CVE-2017-9978
Creator: NVD / NIST
Published: 2017-08-28T19:29:01.463+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 4.75%

Last modified Jun 17, 2026

CVE-2017-9978 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 4.75% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

4.75%

90.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-200

Affected Software

Vendor	Product	Versions
Osnexus	Quantastor	<= 4.3.0

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

Timeline

Published: Aug 28, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-9978?

How severe is CVE-2017-9978?

Severity scoring for CVE-2017-9978 is pending analysis. The EPSS model estimates a 4.75% probability of exploitation in the next 30 days.

How do I fix CVE-2017-9978?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-9978?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST