CVE-2023-36630: In CloudPanel before 2.3.1, insecure file upload leads to privilege escalation and authentication bypass.

This month

HIGH 8.8UPGRADE

CVE-2023-36630 is a high-severity flaw (CVSS 8.8) affecting cloudpanel. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

In CloudPanel before 2.3.1, insecure file upload leads to privilege escalation and authentication bypass.

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.9% (top 41%)
CISA exploited list	No
Weakness	CWE-434
Published	2023-06-25
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: mgt-commerce

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

Am I affected?

Timeline

2023-06-25 16:15 UTCPublished CVE record published
2026-06-17 06:06 UTCUpdated Record last modified

mgt-commerce cloudpanel UPGRADE

Affected: >= 2.0.0 and < 2.3.1

Fixed in: 2.3.1

Safe to downgrade to: a release before 2.0.0

1. Check installed version

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

2. UPGRADE to 2.3.1 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade cloudpanel

Note

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

3. If no update is available yet, DOWNGRADE to a release before 2.0.0 (Debian / Ubuntu)

apt-cache madison cloudpanel sudo apt install cloudpanel=<VERSION_BEFORE_2.0.0> sudo apt-mark hold cloudpanel

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list cloudpanel sudo dnf downgrade cloudpanel-<VERSION_BEFORE_2.0.0> sudo dnf versionlock add cloudpanel

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-2023-36630?

cloudpanel: upgrade to 2.3.1. Exact commands for each OS are on this page.

Is CVE-2023-36630 being exploited?

CVE-2023-36630 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-2023-36630 affect?

CVE-2023-36630 affects cloudpanel. Severity is high (CVSS 8.8). In CloudPanel before 2.3.1, insecure file upload leads to privilege escalation and authentication bypass.

How urgent is CVE-2023-36630?

Priority 51/100. High severity; Public exploit reference

Related CVEs

CVE-2024-24320 HIGH 8.8 UPGRADE Directory Traversal vulnerability in Mgt-commerce CloudPanel v.2.0.0 thru v.2.4.0 allows a remote attacker to
CVE-2023-46157 HIGH 8.8 UPGRADE File-Manager in MGT CloudPanel 2.0.0 through 2.3.2 allows the lowest privilege user to achieve OS command inje
CVE-2023-35885 CRITICAL 9.8 UPGRADE CloudPanel 2 before 2.3.1 has insecure file-manager cookie authentication.
CVE-2023-33747 HIGH 7.8 UPGRADE CloudPanel v2.2.2 allows attackers to execute a path traversal.

References

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