How severe is CVE-2024-23187?

CVE-2024-23187 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2024-23187 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-23187?

CVE-2024-23187 affects Open-xchange Ox App Suite. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-23187?

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

Does CVE-2024-23187 have an EU (EUVD) identifier?

Yes. CVE-2024-23187 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-20706.

When was CVE-2024-23187 published?

CVE-2024-23187 was published on 2024-05-06 and last updated on 2026-06-17.

CVE-2024-23187

CVE-2024-23187 is a medium-severity vulnerability in Open-xchange Ox App Suite with a CVSS 3.x base score of 6.5. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-20706
Weakness: CWE-79
Affected product: Open-xchange Ox App Suite
Published: 2024-05-06
Last modified: 2026-06-17

Description

Content-ID based embedding of resources in E-Mails could be abused to trigger client-side script code when using the "show more" option. Attackers could perform malicious API requests or extract information from the users account. Exploiting the vulnerability requires user interaction. Please deploy the provided updates and patch releases. CID replacement has been hardened to omit invalid identifiers. No publicly available exploits are known.

Frequently asked questions

What is CVE-2024-23187?: Content-ID based embedding of resources in E-Mails could be abused to trigger client-side script code when using the "show more" option. Attackers could perform malicious API requests or extract information from the users account. Exploiting the vulnerability requires user interaction. Please deploy the provided updates and patch releases. CID replacement has been hardened to omit invalid identifiers. No publicly available exploits are known.
How severe is CVE-2024-23187?: CVE-2024-23187 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2024-23187 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-23187?: CVE-2024-23187 affects Open-xchange Ox App Suite. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-23187?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-23187 have an EU (EUVD) identifier?: Yes. CVE-2024-23187 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-20706.
When was CVE-2024-23187 published?: CVE-2024-23187 was published on 2024-05-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:open-xchange:ox_app_suite:*:*:*:*:*:*:*:*

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