CVE Vulnerability

CVE-2021-21377

OMERO.web is open source Django-based software for managing microscopy imaging. OMERO.web before version 5.9.0 supports redirection to a given URL after performing login or switching the group context. These URLs are not validated, allowing redirection to untrusted sites. OMERO.web 5.9.0 adds URL validation before redirecting. External URLs are not considered valid, unless specified in the omero.web.redirect_allowed_hosts setting.

4.9 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 6.8 / Impact : 4.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact NONE

Scope

5.4 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.3 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References
Link Resource
https://github.com/ome/omero-web/blob/master/CHANGELOG.md#590-march-2021 Release Notes Third Party Advisory
https://pypi.org/project/omero-web/ Third Party Advisory
https://github.com/ome/omero-web/commit/952f8e5d28532fbb14fb665982211329d137908c Patch Third Party Advisory
https://www.openmicroscopy.org/security/advisories/2021-SV2/ Vendor Advisory
https://github.com/ome/omero-web/security/advisories/GHSA-g4rf-pc26-6hmr Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:openmicroscopy:omero.web:*:*:*:*:*:*:*:*
Information

Published : 2021-03-23 04:15

Updated : 2021-03-27 02:20

NVD link : CVE-2021-21377

Mitre link : CVE-2021-21377

Products Affected
No products.
CWE
CWE-601

URL Redirection to Untrusted Site ('Open Redirect')