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Fencer Vulns
high 7.2

CVE-2018-1000634 json

The Open Microscopy Environment OMERO.server version 5.4.0 to 5.4.6 contains an Improper Access Control vulnerability in User management th…

published 2018-08-20 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-1968

cvss
7.2
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 62%
public exploits
0
none known

Summary

The Open Microscopy Environment OMERO.server version 5.4.0 to 5.4.6 contains an Improper Access Control vulnerability in User management that can result in administrative user with privilege restrictions logging in as a more powerful administrator. This attack appear to be exploitable via Use user administration privilege to set the password of a more powerful administrator. This vulnerability appears to have been fixed in 5.4.7.

Patch / fix

Exploit prediction

0.97% chance of exploitation in the next 30 days, higher than 62% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 7.2 CVSS:3.0/AV:N/AC:L/PR:H/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
  • 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.