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Fencer Vulns
medium 4.3

CVE-2018-5756 json

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…

published 2018-06-15 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-17525

cvss
4.3
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.5%
EPSS 5.5% chance of exploitation in 30 days, percentile 92%
public exploits
1
Exploit-DB

Summary

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.

Timeline

  1. First public exploit (EDB-44881)
  2. Published

Exploit prediction

5.48% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-44881 OX App Suite 7.8.4 - Multiple Vulnerabilities webapps, 2018-06-12
  • packetstormsecurity.com http://packetstormsecurity.com/files/148118/OX-App-Suite-7.8.4-XSS-Privilege-Management-SSRF-Traversal.html referenced PoC, tagged "exploit" by a source, unverified
  • seclists.org http://seclists.org/fulldisclosure/2018/Jun/23 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 4.3 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
NVD 2.0 4.0 AV:N/AC:L/Au:S/C:N/I:P/A:N

Classification

Weakness
  • CWE-269 Improper Privilege Management

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.