CVE-2023-23314: An arbitrary file upload vulnerability in the /api/upload component of zdir v3.2.0 allows attackers to execute

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HIGH 8.8DOWNGRADE

CVE-2023-23314 is a high-severity flaw (CVSS 8.8) affecting zdir. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An arbitrary file upload vulnerability in the /api/upload component of zdir v3.2.0 allows attackers to execute arbitrary code via a crafted .ssh file.

Why this priority

High severity
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.2% (top 31%)
CISA exploited list	No
Weakness	CWE-22
Published	2023-01-23
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: zdir project

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

Am I affected?

Timeline

2023-01-23 05:15 UTCPublished CVE record published
2026-06-17 05:36 UTCUpdated Record last modified

zdir project zdir DOWNGRADE

Affected: 3.2.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.2.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 3.2.0 (Debian / Ubuntu)

apt-cache madison zdir sudo apt install zdir=<VERSION_BEFORE_3.2.0> sudo apt-mark hold zdir

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

dnf --showduplicates list zdir sudo dnf downgrade zdir-<VERSION_BEFORE_3.2.0> sudo dnf versionlock add zdir

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.

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-2023-23314?

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

Is CVE-2023-23314 being exploited?

CVE-2023-23314 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-2023-23314 affect?

CVE-2023-23314 affects zdir. Severity is high (CVSS 8.8). An arbitrary file upload vulnerability in the /api/upload component of zdir v3.2.0 allows attackers to execute arbitrary code via a crafted .ssh file.

How urgent is CVE-2023-23314?

Priority 53/100. High severity; Public exploit reference

Related CVEs

CVE-2025-66945 CRITICAL 9.1 UPGRADE A path traversal vulnerability exists in the ZIP extraction API of Zdir Pro 4.x

References

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