CVE-2021-34254
Medium
Published: 28 June 2021
Published
28 June 2021
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1
6.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS Score
0.0035
58.1th percentile
Risk Priority
12
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2021-34254 is a medium-severity Open Redirect (CWE-601) vulnerability in Umbraco Umbraco Cms. Its CVSS base score is 6.1 (Medium).
Operationally, ranked in the top 41.9% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-20916
Vulnerability details
Umbraco CMS before 7.15.7 is vulnerable to Open Redirection due to insufficient url sanitization on booting.aspx.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
umbraco
umbraco cms
≤ 7.15.7
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.