CVE-2023-4740

Name: CVE-2023-4740
Creator: NVD / NIST
Published: 2023-09-03T20:15:14.813+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.75%

Last modified Jun 17, 2026

CVE-2023-4740 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A vulnerability, which was classified as critical, was found in IBOS OA 4.5.5. This affects an unknown part of the file ?r=email/api/delDraft&archiveId=0 of the component Delete Draft Handler. EPSS estimates a 0.75% chance of exploitation in the next 30 days.

Description

A vulnerability, which was classified as critical, was found in IBOS OA 4.5.5. This affects an unknown part of the file ?r=email/api/delDraft&archiveId=0 of the component Delete Draft Handler. The manipulation leads to sql injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-238629 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

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

0.75%

50.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-89

Affected Software

Vendor	Product	Versions
Ibos	Ibos	4.5.5

References

https://github.com/RCEraser/cve/blob/main/sql_inject.mdExploit, Third Party Advisory
https://vuldb.com/?ctiid.238629Permissions Required, Third Party Advisory, VDB Entry
https://vuldb.com/?id.238629Third Party Advisory, VDB Entry
https://github.com/RCEraser/cve/blob/main/sql_inject.mdExploit, Third Party Advisory
https://vuldb.com/?ctiid.238629Permissions Required, Third Party Advisory, VDB Entry
https://vuldb.com/?id.238629Third Party Advisory, VDB Entry

Timeline

Published: Sep 3, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-4740?

How severe is CVE-2023-4740?

CVE-2023-4740 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.75% probability of exploitation in the next 30 days.

How do I fix CVE-2023-4740?

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-2023-4740?

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

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Source: NVD / NIST