CVE-2025-1818: A vulnerability, which was classified as critical, has been found in zj1983 zz up to 2024-8

Q: How do I fix CVE-2025-1818?

zz: upgrade to newer than 2024-8. Exact commands for each OS are on this page.

Q: Is CVE-2025-1818 being exploited?

CVE-2025-1818 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-2025-1818 affect?

CVE-2025-1818 affects zz. Severity is medium (CVSS 6.3). A vulnerability, which was classified as critical, has been found in zj1983 zz up to 2024-8. This issue affects some unknown processing of the file src/main/java/com/futvan/z/system/zfile/ZfileAction.upload. The manipulation of the argument

Q: How urgent is CVE-2025-1818?

Priority 40/100. Public exploit reference

This month

MEDIUM 6.3UPGRADE

CVE-2025-1818 is a medium-severity flaw (CVSS 6.3) affecting zz. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability, which was classified as critical, has been found in zj1983 zz up to 2024-8. This issue affects some unknown processing of the file src/main/java/com/futvan/z/system/zfile/ZfileAction.upload. The manipulation of the argument file leads to unrestricted upload. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond i

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	6.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.7% (top 48%)
CISA exploited list	No
Weakness	CWE-284, CWE-434
Published	2025-03-02
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: zframeworks

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

Am I affected?

Timeline

2025-03-02 16:15 UTCPublished CVE record published
2026-06-17 08:39 UTCUpdated Record last modified

zframeworks zz UPGRADE

Affected: <= 2024-8

Fixed in: newer than 2024-8

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 2024-8 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade zz

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-2025-1818?

zz: upgrade to newer than 2024-8. Exact commands for each OS are on this page.

Is CVE-2025-1818 being exploited?

CVE-2025-1818 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-2025-1818 affect?

CVE-2025-1818 affects zz. Severity is medium (CVSS 6.3). A vulnerability, which was classified as critical, has been found in zj1983 zz up to 2024-8. This issue affects some unknown processing of the file src/main/java/com/futvan/z/system/zfile/ZfileAction.upload. The manipulation of the argument

How urgent is CVE-2025-1818?

Priority 40/100. Public exploit reference

Software pages

Java vulnerabilities

Related CVEs

CVE-2025-1849 MEDIUM 6.3 UPGRADE A vulnerability classified as critical was found in zj1983 zz up to 2024-8
CVE-2025-1848 MEDIUM 6.3 UPGRADE A vulnerability classified as critical has been found in zj1983 zz up to 2024-8
CVE-2025-1847 MEDIUM 6.3 UPGRADE A vulnerability was found in zj1983 zz up to 2024-8
CVE-2025-1846 MEDIUM 5.4 UPGRADE A vulnerability was found in zj1983 zz up to 2024-8
CVE-2025-1834 MEDIUM 6.3 UPGRADE A vulnerability, which was classified as critical, was found in zj1983 zz up to 2024-8

References

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