CVE-2018-5753
The frontend component in Open-Xchange OX App Suite before 7.6.3-rev31, 7.8.x before 7.8.2-rev31, 7.8.3 before 7.8.3-rev41, and 7.8.4 before 7.8.4-rev20 allows remote attackers to spoof the origin of e-mails via unicode characters in the "personal part"…
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 8.1%. Treat it as high on anything reachable from the internet.
Description
The frontend component in Open-Xchange OX App Suite before 7.6.3-rev31, 7.8.x before 7.8.2-rev31, 7.8.3 before 7.8.3-rev41, and 7.8.4 before 7.8.4-rev20 allows remote attackers to spoof the origin of e-mails via unicode characters in the "personal part" of a (1) From or (2) Sender address.
- CVSS 3.0
- 6.5 MEDIUMCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
- EPSS
- 8.12% probability · 95th percentile
- Public exploits
- 1 in Exploit-DB · first 12 June 2018
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- open-xchange/open-xchange appsuite
- Source
- cve@mitre.org
EPSS 8.1% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
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.