Vulnerability identifier: #VU11870
Vulnerability risk: Low
CVSSv3.1: 4.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-476
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Moxa EDR-810
Server applications /
SCADA systems
Vendor: Moxa
Description
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists in the web server functionality due to NULL pointer dereference. A remote attacker can submit a specially crafted GET request to "/MOXA_LOG.ini, /MOXA_CFG.ini, or /MOXA_CFG2.ini" without a cookie header and cause the service to crash.
Mitigation
Update to version 4.2.
Vulnerable software versions
Moxa EDR-810: 4.1
External links
http://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0474
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.