CVE-2017-9602: KBVault Mysql Free Knowledge Base application package 0.16a comes with a FileExplorer/Explorer.aspx?id=/Upload

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CRITICAL 9.8REMOTEWATCHLISTDOWNGRADE

CVE-2017-9602 is a critical-severity flaw (CVSS 9.8) affecting kbvault mysql. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

KBVault Mysql Free Knowledge Base application package 0.16a comes with a FileExplorer/Explorer.aspx?id=/Uploads file-management component. An unauthenticated user can access the file upload and deletion functionality. Through this functionality, a user can upload an ASPX script to Uploads/Documents/ to run any arbitrary code.

Why this priority

Critical severity
EPSS top 9%: very likely to be exploited
Public exploit reference
Remotely exploitable, no login, no user action
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	4.3% (top 9%)
CISA exploited list	No
Weakness	CWE-732
Published	2017-06-16
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: kbvault mysql project

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

Am I affected?

Timeline

2017-06-16 13:29 UTCPublished CVE record published
2026-06-17 01:28 UTCUpdated Record last modified

kbvault mysql project kbvault mysql DOWNGRADE

Affected: 0.16a

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.16a

1. Check installed version

apt-cache policy kbvault-mysql || rpm -q kbvault-mysql || kbvault-mysql --version

2. No fixed release: DOWNGRADE to a release before 0.16a (Debian / Ubuntu)

apt-cache madison kbvault-mysql sudo apt install kbvault-mysql=<VERSION_BEFORE_0.16a> sudo apt-mark hold kbvault-mysql

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list kbvault-mysql sudo dnf downgrade kbvault-mysql-<VERSION_BEFORE_0.16a> sudo dnf versionlock add kbvault-mysql

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Exact fixes by distribution

A distro patch exists: prefer upgrading over downgrading.

Fedora 46 · root · FIXED · 6.40.04-7.fc46 · FEDORA-2026-7329868400 · source

sudo dnf upgrade --advisory=FEDORA-2026-7329868400

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Write-up: www.exploit-db.com/exploits/42184/
Exploit-DB: KBVault MySQL 0.16a - Arbitrary File Upload

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-2017-9602?

kbvault mysql: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2017-9602 being exploited?

CVE-2017-9602 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-2017-9602 affect?

CVE-2017-9602 affects kbvault mysql. Severity is critical (CVSS 9.8). KBVault Mysql Free Knowledge Base application package 0.16a comes with a FileExplorer/Explorer.aspx?id=/Uploads file-management component. An unauthenticated user can access the file upload and deletion functionality. Through this functiona

How urgent is CVE-2017-9602?

Priority 72/100. Critical severity; EPSS top 9%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action; On your watchlist

Software pages

MySQL vulnerabilities

References

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