Medium severity · published Jun 28, 2021
CVE-2021-34254
Umbraco CMS before 7.15.7 is vulnerable to Open Redirection due to insufficient url sanitization on booting.aspx
6.1
CVSS
0.7%
EPSS
No
On KEV
Description
Umbraco CMS before 7.15.7 is vulnerable to Open Redirection due to insufficient url sanitization on booting.aspx.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 53% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
UC
Umbraco Cms · Umbraco
before 7.15.7 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-34254
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-34254
Issue Tracking
https://github.com/umbraco/Umbraco-CMS/issues/9782
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