CVE-2021-21377

CVSS V2 Medium 4.9 CVSS V3 Medium 5.4
Description
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.
Overview
  • CVE ID
  • CVE-2021-21377
  • Assigner
  • security-advisories@github.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-03-23T16:15:14
  • Last Modified Date
  • 2021-03-27T02:20:53
Weakness Enumerations
CWE URL
CWE-601 http://cwe.mitre.org/data/definitions/601.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:openmicroscopy:omero.web:*:*:*:*:*:*:*:* 1 OR 5.9.0
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:S/C:P/I:P/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • SINGLE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • NONE
  • Base Score
  • 4.9
  • Severity
  • MEDIUM
  • Exploitability Score
  • 6.8
  • Impact Score
  • 4.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • REQUIRED
  • Scope
  • CHANGED
  • Confidentiality Impact
  • LOW
  • Availability Impact
  • NONE
  • Base Score
  • 5.4
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2.3
  • Impact Score
  • 2.7
References
Reference URL Reference Tags
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
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-21377
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21377
History
Created Old Value New Value Data Type Notes
2022-05-10 07:18:25 Added to TrackCVE
2022-12-06 00:14:42 2021-03-23T16:15Z 2021-03-23T16:15:14 CVE Published Date updated
2022-12-06 00:14:42 2021-03-27T02:20:53 CVE Modified Date updated
2022-12-06 00:14:42 Analyzed Vulnerability Status updated