Critical severity · published Mar 31, 2024
CVE-2023-51803
LinuxServer.io Heimdall before 2.5.7 does not prevent use of icons that have non-image data such as the "<?php ?>" substring
9.8
CVSS
0.7%
EPSS
No
On KEV
Description
LinuxServer.io Heimdall before 2.5.7 does not prevent use of icons that have non-image data such as the "<?php ?>" substring.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
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
HA
Heimdall Application Dashboard · Linuxserver
before 2.5.7 · source: CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-51803
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-51803
github.com
https://github.com/linuxserver/Heimdall/pull/1167
github.com
https://github.com/linuxserver/Heimdall/pull/1173
github.com
https://github.com/linuxserver/Heimdall/releases/tag/v2.5.7
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