CVE-2020-6144 : A remote code execution vulnerability exists in the install functionality of OS4Ed openSIS 7.4. The username variable wh

A remote code execution vulnerability exists in the install functionality of OS4Ed openSIS 7.4. The username variable which is set at line 121 in install/Step5.php allows for injection of PHP code into the Data.php file that it writes. An attacker can send an HTTP request to trigger this vulnerability.

Published 2020-09-01 21:15:13

Updated 2022-05-31 19:55:25

Source Talos

View at NVD, CVE.org

Vulnerability category: Execute code

Exploit prediction scoring system (EPSS) score for CVE-2020-6144

EPSS FAQ

0.81%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 82 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-6144

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.5	HIGH	AV:N/AC:L/Au:N/C:P/I:P/A:P	10.0	6.4	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
10.0	CRITICAL	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H	3.9	6.0	Talos
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Changed Confidentiality: High Integrity: High Availability: High
9.8	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	3.9	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2020-6144

CWE-94 Improper Control of Generation of Code ('Code Injection')

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)

CWE-96 Improper Neutralization of Directives in Statically Saved Code ('Static Code Injection')

The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes code syntax before inserting the input into an executable resource, such as a library, configuration file, or template.

Assigned by: talos-cna@cisco.com (Secondary)

Products affected by CVE-2020-6144

Os4ed » Opensis » Version: 7.4
cpe:2.3:a:os4ed:opensis:7.4:*:*:*:*:*:*:*
Matching versions

Vulnerability Details : CVE-2020-6144

Exploit prediction scoring system (EPSS) score for CVE-2020-6144

CVSS scores for CVE-2020-6144

CWE ids for CVE-2020-6144

References for CVE-2020-6144

Products affected by CVE-2020-6144