CVE-2018-5751
The backend component in Open-Xchange OX App Suite before 7.6.3-rev36, 7.8.x before 7.8.2-rev39, 7.8.3 before 7.8.3-rev44, and 7.8.4 before 7.8.4-rev22 allows remote authenticated users to obtain sensitive information about external guest users via…
Does this matter?
A public exploit is published in Exploit-DB, so the technical barrier is gone even though the severity is medium and EPSS is 8.9%. Treat it as high on anything reachable from the internet.
Description
The backend component in Open-Xchange OX App Suite before 7.6.3-rev36, 7.8.x before 7.8.2-rev39, 7.8.3 before 7.8.3-rev44, and 7.8.4 before 7.8.4-rev22 allows remote authenticated users to obtain sensitive information about external guest users via vectors related to the "groups" and "users" APIs.
- CVSS 3.0
- 6.5 MEDIUMCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 8.94% probability · 95th percentile
- Public exploits
- 1 in Exploit-DB · first 12 June 2018
- CISA KEV
- Not listed
- Weakness
- CWE-200
- Affected
- open-xchange/open-xchange appsuite
- Source
- cve@mitre.org
EPSS moved from 7.8% on 21 September 2026 to 8.9% on 27 October 2026, peaking at 9.1% on 22 September 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://packetstormsecurity.com/files/148118/OX-App-Suite-7.8.4-XSS-Privilege-Management-SSRF-Traversal.htmlExploit, Third Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2018/Jun/23Exploit, Mailing List, Third Party Advisory
- https://www.exploit-db.com/exploits/44881/Exploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/148118/OX-App-Suite-7.8.4-XSS-Privilege-Management-SSRF-Traversal.htmlExploit, Third Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2018/Jun/23Exploit, Mailing List, Third Party Advisory
- https://www.exploit-db.com/exploits/44881/Exploit, Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.