How severe is CVE-2018-1000634?

CVE-2018-1000634 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-1000634 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-1000634?

CVE-2018-1000634 affects Openmicroscopy Omero. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-1000634?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-1000634 published?

CVE-2018-1000634 was published on 2018-08-20 and last updated on 2026-06-17.

CVE-2018-1000634

CVE-2018-1000634 is a high-severity vulnerability in Openmicroscopy Omero with a CVSS 3.x base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-269.

Key facts

Severity: High (CVSS 3.x base score 7.2)
CVSS v2: 6.5
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-269
Affected product: Openmicroscopy Omero
Published: 2018-08-20
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2018-1000634?: 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.
How severe is CVE-2018-1000634?: CVE-2018-1000634 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-1000634 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-1000634?: CVE-2018-1000634 affects Openmicroscopy Omero. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-1000634?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-1000634 published?: CVE-2018-1000634 was published on 2018-08-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:openmicroscopy:omero:*:*:*:*:*:*:*:*

More vulnerabilities in Openmicroscopy Omero

CVE-2014-7198 — High (CVSS 8.8): OMERO before 5.0.6 has multiple CSRF vulnerabilities because the framework for OMERO's web interface lacks CSRF…
CVE-2017-1000438 — High (CVSS 8.3): In OMERO 5.3.3 or earlier a user could create an OriginalFile and adjust its path such that it now points to another…
CVE-2018-1000633 — High (CVSS 7.2): The Open Microscopy Environment OMERO.web version prior to 5.4.7 contains an Information Exposure Through Log Files…
CVE-2018-1000635 — Medium (CVSS 6.7): The Open Microscopy Environment OMERO.server version 5.4.0 to 5.4.6 contains a Information Exposure Through Sent Data…
CVE-2019-16245 — Medium (CVSS 5.3): OMERO before 5.6.1 makes the details of each user available to all users.
CVE-2020-6752 — Low (CVSS 3.8): In OMERO before 5.6.1, group owners can access members' data in other groups.

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