SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-5756

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 does not properly check for folder-to-object association, which allows remote authenticated users to…

EXPLOITMEDIUM 4.3EPSS 5.48%

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 5.5%. 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 does not properly check for folder-to-object association, which allows remote authenticated users to delete arbitrary tasks via the task id in a delete action to api/tasks.

CVSS 3.0
4.3 MEDIUMCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
EPSS
5.48% probability · 93th percentile
Public exploits
1 in Exploit-DB · first 12 June 2018
CISA KEV
Not listed
Weakness
CWE-269
Affected
open-xchange/open-xchange appsuite
Source
cve@mitre.org
EPSS trend
0%5%10%27 October 2026: 5.48%27 October 202627 October 2026

EPSS 5.5% 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.

EDB-IDTitleTypePublishedVerified
EDB-44881source ↗OX App Suite 7.8.4 - Multiple Vulnerabilitiesxml · Open-Xchangewebapps12 June 2018no

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.