CVE-2020-10221
rConfig OS Command Injection Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 3 May 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
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.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 77.12% probability · 100th percentile
- Public exploits
- 1 in Exploit-DB · first 12 March 2020
- CISA KEV
- Listed 3 November 2021 · due 3 May 2022
- Weakness
- CWE-78
- Affected
- rconfig/rconfig
- Source
- cve@mitre.org
EPSS moved from 77.1% on 24 September 2026 to 77.1% on 30 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
CISA notes
Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2020-10221
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://packetstormsecurity.com/files/156687/rConfig-3.93-Authenticated-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
- https://cwe.mitre.org/data/definitions/78.htmlThird Party Advisory
- https://engindemirbilek.github.io/rconfig-3.93-rceExploit, Third Party Advisory
- https://github.com/EnginDemirbilek/EnginDemirbilek.github.io/blob/master/rconfig-3.93-rce.htmlExploit, Third Party Advisory
- http://packetstormsecurity.com/files/156687/rConfig-3.93-Authenticated-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
- https://cwe.mitre.org/data/definitions/78.htmlThird Party Advisory
- https://engindemirbilek.github.io/rconfig-3.93-rceExploit, Third Party Advisory
- https://github.com/EnginDemirbilek/EnginDemirbilek.github.io/blob/master/rconfig-3.93-rce.htmlExploit, Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-10221US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.