QSAN Storage Manager - Improper Access Control

published 2021-07-07 5y ago modified 2026-06-17 4mo ago also EUVD-2021-19363

cvss: 7.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.3%; EPSS 1.3% chance of exploitation in 30 days, percentile 69%
public exploits: 0; none known

Improper access control vulnerability in share_link in QSAN Storage Manager allows remote attackers to download arbitrary files using particular parameter in download function. The referred vulnerability has been solved with the updated version of QSAN Storage Manager v3.3.3.

Patch / fix

fixed in 1

qsan storage_manager 3.3.3

Is CVE-2021-32517 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Exploit prediction

1.26% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected products

QSAN Storage Manager

Classification

Weakness

CWE-284 Improper Access Control

References

twcert.org.tw /tw/cp-132-4873-6f88b-1.html
third-party-advisory

Sources

CVE List CVE-2021-32517
NVD CVE-2021-32517

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.