CVE-2024-23187
mediumpriority · track · 24EPSS 0.005 · 42 %ileEUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (2)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (11)
External citations — patches, advisories, analysis.
- http://seclists.org/fulldisclosure/2024/May/3cnnvd
- https://cxsecurity.com/cveshow/CVE-2024-23187/cnnvd
- https://documentation.open-xchange.com/appsuite/releases/8.22/cnnvd
- https://documentation.open-xchange.com/appsuite/releases/8.23/Patchcnnvd
- https://documentation.open-xchange.com/appsuite/security/advisories/csaf/2024/oxas-adv-2024-0002.jsoncnnvd
- http://seclists.org/fulldisclosure/2024/May/3enisa_euvd
- https://documentation.open-xchange.com/appsuite/releases/8.22/enisa_euvd
- https://documentation.open-xchange.com/appsuite/security/advisories/csaf/2024/oxas-adv-2024-0002.jsonenisa_euvd
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan