How severe is CVE-2023-4740?

CVE-2023-4740 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2023-4740 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-4740?

CVE-2023-4740 affects Ibos. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-4740?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-4740 published?

CVE-2023-4740 was published on 2023-09-03 and last updated on 2026-06-17.

CVE-2023-4740

CVE-2023-4740 is a medium-severity vulnerability in Ibos with a CVSS 3.x base score of 6.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-89.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
CVSS v2: 6.5
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Ibos
Published: 2023-09-03
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2023-4740?: 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.
How severe is CVE-2023-4740?: CVE-2023-4740 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2023-4740 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-4740?: CVE-2023-4740 affects Ibos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-4740?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-4740 published?: CVE-2023-4740 was published on 2023-09-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ibos:ibos:4.5.5:*:*:*:*:*:*:*

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