Critical severity · published Sep 1, 2020
CVE-2020-6143
A remote code execution vulnerability exists in the install functionality of OS4Ed openSIS 7.4
9.8
CVSS
6.2%
EPSS
No
On KEV
Description
A remote code execution vulnerability exists in the install functionality of OS4Ed openSIS 7.4. The password variable which is set at line 122 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.
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)6.2% · higher than 93% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OS
OS4Ed ·
OS4Ed openSIS 7.4 · source: vendor
OP
Opensis · Os4ed
7.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-6143
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-6143
Exploit
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1083
More from OS4Ed
9.8
CVE-2020-6144
A remote code execution vulnerability exists in the install functionality of OS4Ed openSIS 7.4
9.8
CVE-2020-6142
A remote code execution vulnerability exists in the Modules.php functionality of OS4Ed openSIS 7.3
9.8
CVE-2020-6140
SQL injection vulnerability exists in the password reset functionality of OS4Ed openSIS 7.3
9.8
CVE-2020-6139
SQL injection vulnerability exists in the password reset functionality of OS4Ed openSIS 7.3
9.8
CVE-2020-6138
SQL injection vulnerability exists in the password reset functionality of OS4Ed openSIS 7.3