CVE-2021-21376

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

1.46% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 71.7% of scored records. A rank, not a probability.

NVD base score

6.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2021-03-23 15:25Z5 YR AGO

Last updated

2024-08-03 18:09Z2 YR AGO

Reserved

2020-12-22

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Medium (CVSS 6.4)

CNA CVSS vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N

Weaknesses

• CWE-200Exposure of Sensitive Information to an Unauthorized ActorClass

Data version

5.1

Document digest

1a9082ebddbac3f89c7d903f48f5368828eb5de2034ff4c280512b770de10080

• github.comhttps://github.com/ome/omero-web/security/advisories/GHSA-gfp2-w5jm-955qx_refsource_CONFIRM
• pypi.orghttps://pypi.org/project/omero-web/x_refsource_MISC
• github.comhttps://github.com/ome/omero-web/blob/master/CHANGELOG.md#590-march-2021x_refsource_MISC
• www.openmicroscopy.orghttps://www.openmicroscopy.org/security/advisories/2021-SV1/x_refsource_MISC
• github.comhttps://github.com/ome/omero-web/commit/952f8e5d28532fbb14fb665982211329d137908cx_refsource_MISC