CVE-2021-28174: Mitake smart stock selection system contains a broken authentication vulnerability

Q: How do I fix CVE-2021-28174?

smart stock selection: upgrade to newer than 2020-06-23. Exact commands for each OS are on this page.

Q: Is CVE-2021-28174 being exploited?

CVE-2021-28174 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2021-28174 affect?

CVE-2021-28174 affects smart stock selection. Severity is medium (CVSS 6.5). Mitake smart stock selection system contains a broken authentication vulnerability. By manipulating the parameters in the URL, remote attackers can gain the privileged permissions to access transaction record, and fraudulent trading without

Q: How urgent is CVE-2021-28174?

Priority 43/100. Remotely exploitable, no login, no user action

This month

MEDIUM 6.5REMOTEUPGRADE

CVE-2021-28174 is a medium-severity flaw (CVSS 6.5) affecting smart stock selection. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Mitake smart stock selection system contains a broken authentication vulnerability. By manipulating the parameters in the URL, remote attackers can gain the privileged permissions to access transaction record, and fraudulent trading without login.

Why this priority

Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.0% (top 38%)
CISA exploited list	No
Weakness	CWE-287
Published	2021-04-08
Last modified	2026-06-17

Publisher (CNA): TWCERT/CC · Vendor: mitake

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2021-04-08 04:15 UTCPublished CVE record published
2026-06-17 03:45 UTCUpdated Record last modified

mitake smart stock selection UPGRADE

Affected: <= 2020-06-23

Fixed in: newer than 2020-06-23

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy smart-stock-selection || rpm -q smart-stock-selection || smart-stock-selection --version

2. UPGRADE to newer than 2020-06-23 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade smart-stock-selection

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade smart-stock-selection

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2021-28174?

smart stock selection: upgrade to newer than 2020-06-23. Exact commands for each OS are on this page.

Is CVE-2021-28174 being exploited?

CVE-2021-28174 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2021-28174 affect?

CVE-2021-28174 affects smart stock selection. Severity is medium (CVSS 6.5). Mitake smart stock selection system contains a broken authentication vulnerability. By manipulating the parameters in the URL, remote attackers can gain the privileged permissions to access transaction record, and fraudulent trading without

How urgent is CVE-2021-28174?

Priority 43/100. Remotely exploitable, no login, no user action

References

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