openmediavault before 4.1.36 and 5.x before 5.5.12 allows authenticated PHP code injection attacks, via the sortfield POST parameter of rpc.php, because json_encode_safe is not used in config/databasebackend.inc. Successful exploitation allows arbitrary command execution on the underlying operating system as root.
Published 2020-10-02 09:15:14
Updated 2022-01-06 14:18:43
Source MITRE
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2020-26124

65.83%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 98 %
Percentile, the proportion of vulnerabilities that are scored at or less

Metasploit modules for CVE-2020-26124

  • OpenMediaVault rpc.php Authenticated PHP Code Injection
    Disclosure Date: 2020-09-28
    First seen: 2020-11-24
    exploit/unix/webapp/openmediavault_rpc_rce
    This module exploits an authenticated PHP code injection vulnerability found in openmediavault versions before 4.1.36 and 5.x versions before 5.5.12 inclusive in the "sortfield" POST parameter of the rpc.php page, because "json_encode_safe()" is not

CVSS scores for CVE-2020-26124

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
9.0
HIGH AV:N/AC:L/Au:S/C:C/I:C/A:C
8.0
10.0
NIST
8.8
HIGH CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
2.8
5.9
NIST

CWE ids for CVE-2020-26124

  • The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2020-26124

Products affected by CVE-2020-26124

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