CVE-2020-10221 : lib/ajaxHandlers/ajaxAddTemplate.php in rConfig through 3.94 allows remote attac

lib/ajaxHandlers/ajaxAddTemplate.php in rConfig through 3.94 allows remote attackers to execute arbitrary OS commands via shell metacharacters in the fileName POST parameter.

Published 2020-03-08 22:15:11

Updated 2022-10-07 13:47:50

Source MITRE

View at NVD, CVE.org

Products affected by CVE-2020-10221

Rconfig » Rconfig
Versions up to, including, (<=) 3.9.4
cpe:2.3:a:rconfig:rconfig:*:*:*:*:*:*:*:*
Matching versions

CVE-2020-10221 is in the CISA Known Exploited Vulnerabilities Catalog

CISA vulnerability name:

rConfig OS Command Injection Vulnerability

CISA required action:

Apply updates per vendor instructions.

CISA description:

rConfig lib/ajaxHandlers/ajaxAddTemplate.php contains an OS command injection vulnerability that allows remote attackers to execute OS commands via shell metacharacters in the fileName POST parameter.

Notes:

https://nvd.nist.gov/vuln/detail/CVE-2020-10221

Added on 2021-11-03 Action due date 2022-05-03

Exploit prediction scoring system (EPSS) score for CVE-2020-10221

EPSS FAQ

96.72%

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

~ 100 %

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

CVSS scores for CVE-2020-10221

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
9.0	HIGH	AV:N/AC:L/Au:S/C:C/I:C/A:C	8.0	10.0	NIST
Access Vector: Network Access Complexity: Low Authentication: Single Confidentiality Impact: Complete Integrity Impact: Complete Availability Impact: Complete
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
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2020-10221

CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2020-10221

https://cwe.mitre.org/data/definitions/78.html

CWE - CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') (4.0)
Third Party Advisory

CVEs referencing this url
https://engindemirbilek.github.io/rconfig-3.93-rce

rConfig 3.94 Authenticated Remote Code Execution
Exploit;Third Party Advisory
https://github.com/EnginDemirbilek/EnginDemirbilek.github.io/blob/master/rconfig-3.93-rce.html

EnginDemirbilek.github.io/rconfig-3.93-rce.html at master · EnginDemirbilek/EnginDemirbilek.github.io · GitHub
Exploit;Third Party Advisory
http://packetstormsecurity.com/files/156687/rConfig-3.93-Authenticated-Remote-Code-Execution.html

rConfig 3.93 Authenticated Remote Code Execution ≈ Packet Storm
Exploit;Third Party Advisory;VDB Entry