CVE-2021-21376

Information Exposure in OMERO.web

Description

OMERO.web is open source Django-based software for managing microscopy imaging. OMERO.web before version 5.9.0 loads various information about the current user such as their id, name and the groups they are in, and these are available on the main webclient pages. This represents an information exposure vulnerability. Some additional information being loaded is not used by the webclient and is being removed in this release. This is fixed in version 5.9.0.

Category

6.4
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.42%
Vendor Advisory openmicroscopy.org
Affected: ome omero-web
Published at:
Updated at:

References

Link Tags
https://github.com/ome/omero-web/security/advisories/GHSA-gfp2-w5jm-955q third party advisory
https://pypi.org/project/omero-web/ third party advisory release notes
https://github.com/ome/omero-web/blob/master/CHANGELOG.md#590-march-2021 third party advisory release notes
https://www.openmicroscopy.org/security/advisories/2021-SV1/ vendor advisory
https://github.com/ome/omero-web/commit/952f8e5d28532fbb14fb665982211329d137908c third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2021-21376?
CVE-2021-21376 has been scored as a medium severity vulnerability.
How to fix CVE-2021-21376?
To fix CVE-2021-21376, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-21376 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-21376 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-21376?
CVE-2021-21376 affects ome omero-web.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.