CVE-2024-3459: KioWare for Windows (versions all through 8.34) allows to escape the environment by downloading PDF files, whi

Q: How do I fix CVE-2024-3459?

kioware: upgrade to newer than 8.34. Exact commands for each OS are on this page.

Q: Is CVE-2024-3459 being exploited?

CVE-2024-3459 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-2024-3459 affect?

CVE-2024-3459 affects kioware. Severity is high (CVSS 8.4). KioWare for Windows (versions all through 8.34) allows to escape the environment by downloading PDF files, which then by default are opened in an external PDF viewer. By using built-in functions of that viewer it is possible to launch a web

Routine

HIGH 8.4UPGRADE

CVE-2024-3459 is a high-severity flaw (CVSS 8.4) affecting kioware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

KioWare for Windows (versions all through 8.34) allows to escape the environment by downloading PDF files, which then by default are opened in an external PDF viewer. By using built-in functions of that viewer it is possible to launch a web browser, search through local files and, subsequently, launch any program with user privileges.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.4 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.3% (top 81%)
CISA exploited list	No
Weakness	CWE-424
Published	2024-05-14
Last modified	2026-06-17

Publisher (CNA): CERT.PL · Vendor: kioware

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

Am I affected?

Timeline

2024-05-14 15:41 UTCPublished CVE record published
2026-06-17 07:44 UTCUpdated Record last modified

kioware kioware UPGRADE

Affected: <= 8.34

Fixed in: newer than 8.34

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy kioware || rpm -q kioware || kioware --version

2. UPGRADE to newer than 8.34 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade kioware

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade kioware

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-2024-3459?

kioware: upgrade to newer than 8.34. Exact commands for each OS are on this page.

Is CVE-2024-3459 being exploited?

CVE-2024-3459 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-2024-3459 affect?

CVE-2024-3459 affects kioware. Severity is high (CVSS 8.4). KioWare for Windows (versions all through 8.34) allows to escape the environment by downloading PDF files, which then by default are opened in an external PDF viewer. By using built-in functions of that viewer it is possible to launch a web

How urgent is CVE-2024-3459?

Priority 34/100. High severity

Software pages

Windows vulnerabilities

Related CVEs

CVE-2024-3461 MEDIUM 6.2 UPGRADE KioWare for Windows (versions all through 8.35) allows to brute force the PIN number, which protects the appli
CVE-2024-3460 HIGH 7.4 UPGRADE In KioWare for Windows (versions all through 8.34) it is possible to exit this software and use other already

References

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