CVE-2023-6654

Name: CVE-2023-6654
Creator: NVD / NIST
Published: 2023-12-10T15:15:07.16+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.67%

Last modified Jun 17, 2026

CVE-2023-6654 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A vulnerability classified as critical was found in PHPEMS 6.x/7.x/8.x/9.0. Affected by this vulnerability is an unknown functionality in the library lib/session.cls.php of the component Session Data Handler. EPSS estimates a 1.67% chance of exploitation in the next 30 days.

Description

A vulnerability classified as critical was found in PHPEMS 6.x/7.x/8.x/9.0. Affected by this vulnerability is an unknown functionality in the library lib/session.cls.php of the component Session Data Handler. The manipulation leads to deserialization. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-247357 was assigned to this vulnerability.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.67%

73.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-502

Affected Software

Vendor	Product	Versions
Phpems	Phpems	6.0
Phpems	Phpems	7.0

References

https://note.zhaoj.in/share/jw4Hp9cq7T69Permissions Required
https://vuldb.com/?ctiid.247357Permissions Required, Third Party Advisory, VDB Entry
https://vuldb.com/?id.247357Permissions Required, Third Party Advisory, VDB Entry
https://note.zhaoj.in/share/jw4Hp9cq7T69Permissions Required
https://vuldb.com/?ctiid.247357Permissions Required, Third Party Advisory, VDB Entry
https://vuldb.com/?id.247357Permissions Required, Third Party Advisory, VDB Entry

Timeline

Published: Dec 10, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-6654?

How severe is CVE-2023-6654?

CVE-2023-6654 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.67% probability of exploitation in the next 30 days.

How do I fix CVE-2023-6654?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-6654?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST