CVE-2021-47938
HIGH EPSS 42.8%
Published May 10, 20261mo ago · Modified Jun 17, 20262w ago
8.7 CVSS 4.0
Published May 10, 2026 1mo ago
Last Modified Jun 17, 2026 2w ago
Description
ImpressCMS 1.4.2 contains a remote code execution vulnerability in the autotasks administrative interface that allows authenticated attackers to execute arbitrary PHP code by injecting malicious code into the sat_code parameter. Attackers can authenticate, submit a POST request to /modules/system/admin.php?fct=autotasks&op=mod with crafted sat_code containing PHP commands, which creates an executable file that accepts arbitrary commands via GET parameters.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X
Threat Intelligence
EPSS Exploit Probability
42.8% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-94 Improper Control of Generation of Code (Code Injection) Injection
References 4
- exploit-db.com https://www.exploit-db.com/exploits/50298
- impresscms.org https://www.impresscms.org/
- impresscms.org https://www.impresscms.org/modules/downloads/
- vulncheck.com https://www.vulncheck.com/advisories/impresscms-remote-code-execution-via-autotasks
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.