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Fencer Vulns
high 8.8

CVE-2017-8340 json

Open-Xchange GmbH OX App Suite 7.8.3 and earlier is affected by: Incorrect Access Control.

published 2019-05-22 7 y ago modified 2026-06-17 4 mo ago also EUVD-2017-17301

cvss
8.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 63%
public exploits
0
none known

Summary

Open-Xchange GmbH OX App Suite 7.8.3 and earlier is affected by: Incorrect Access Control.

Exploit prediction

1.03% chance of exploitation in the next 30 days, higher than 63% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 8.8 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 6.5 AV:N/AC:L/Au:S/C:P/I:P/A:P

Classification

Weakness

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.