CVE-2023-5826

Name: CVE-2023-5826
Creator: NVD / NIST
Published: 2023-10-27T18:15:22.03+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.66%

Last modified Jun 17, 2026

CVE-2023-5826 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A vulnerability was found in Netentsec NS-ASG Application Security Gateway 6.3 and classified as critical. Affected by this issue is some unknown functionality of the file /admin/list_onlineuser.php. EPSS estimates a 0.66% chance of exploitation in the next 30 days.

Description

A vulnerability was found in Netentsec NS-ASG Application Security Gateway 6.3 and classified as critical. Affected by this issue is some unknown functionality of the file /admin/list_onlineuser.php. The manipulation of the argument SessionId leads to sql injection. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-243716. NOTE: We tried to contact the vendor early about the disclosure but the official mail address was not working properly.

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

0.66%

46.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-89

Affected Software

Vendor	Product	Versions
Netentsec	Application Security Gateway	6.3

References

https://github.com/Cubi123123123/cve/blob/main/NS-ASG-sql-list_onlineuser.mdExploit, Product
https://vuldb.com/?ctiid.243716Permissions Required, Third Party Advisory, VDB Entry
https://vuldb.com/?id.243716Third Party Advisory, VDB Entry
https://github.com/Cubi123123123/cve/blob/main/NS-ASG-sql-list_onlineuser.mdExploit, Product
https://vuldb.com/?ctiid.243716Permissions Required, Third Party Advisory, VDB Entry
https://vuldb.com/?id.243716Third Party Advisory, VDB Entry

Timeline

Published: Oct 27, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-5826?

How severe is CVE-2023-5826?

CVE-2023-5826 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.66% probability of exploitation in the next 30 days.

How do I fix CVE-2023-5826?

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-2023-5826?

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

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Source: NVD / NIST