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CVE-2021-21377— Open Redirect in OMERO.web

Quick assessment

Affected
ome omero-web
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

OMERO.web是Open Microscopy Environment团队的一款用于从Web浏览器查看OMERO服务器上图像的客户端程序。 OMERO.web 存在安全漏洞，该漏洞允许重定向到不受信任的站点。

CVSS 4.8 · Medium EPSS 0.83% · P55

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise
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I. Basic Information for CVE-2021-21377

Vulnerability Information
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Vulnerability Title
Open Redirect in OMERO.web
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
指向未可信站点的URL重定向(开放重定向)
Source: CVE Program / CVE List V5
Vulnerability Title
OMERO.web 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OMERO.web是Open Microscopy Environment团队的一款用于从Web浏览器查看OMERO服务器上图像的客户端程序。 OMERO.web 存在安全漏洞，该漏洞允许重定向到不受信任的站点。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
ome omero-web < 5.9.0 -

II. Public POCs for CVE-2021-21377

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III. Intelligence Information for CVE-2021-21377

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Patches & Fixes for CVE-2021-21377 (1)

Vendor Advisories for CVE-2021-21377 (1)

Other References for CVE-2021-21377 (3)

IV. Related Vulnerabilities

Same product: omero-web
Same vendor: ome
Same weakness: CWE-601

V. Comments for CVE-2021-21377

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