CVE-2023-2420: A vulnerability was found in MLECMS 3.0

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MEDIUM 6.3DOWNGRADE

CVE-2023-2420 is a medium-severity flaw (CVSS 6.3) affecting mlecms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability was found in MLECMS 3.0. It has been rated as critical. This issue affects the function get_url in the library /upload/inc/lib/admin of the file upload\inc\include\common.func.php. The manipulation of the argument $_SERVER['REQUEST_URI'] leads to sql injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-227717 was assigned to this vulnerability.

Why this priority

Public exploit reference

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

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 46%)
CISA exploited list	No
Weakness	CWE-89
Published	2023-04-29
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: mlecms

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

Am I affected?

Timeline

2023-04-29 02:15 UTCPublished CVE record published
2026-06-17 05:52 UTCUpdated Record last modified

mlecms mlecms DOWNGRADE

Affected: 3.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 3.0 (Debian / Ubuntu)

apt-cache madison mlecms sudo apt install mlecms=<VERSION_BEFORE_3.0> sudo apt-mark hold mlecms

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

dnf --showduplicates list mlecms sudo dnf downgrade mlecms-<VERSION_BEFORE_3.0> sudo dnf versionlock add mlecms

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-2023-2420?

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

Is CVE-2023-2420 being exploited?

CVE-2023-2420 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-2023-2420 affect?

CVE-2023-2420 affects mlecms. Severity is medium (CVSS 6.3). A vulnerability was found in MLECMS 3.0. It has been rated as critical. This issue affects the function get_url in the library /upload/inc/lib/admin of the file upload\inc\include\common.func.php. The manipulation of the argument $_SERVER['

How urgent is CVE-2023-2420?

Priority 41/100. Public exploit reference

Software pages

PHP vulnerabilities

References

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