#VU55631 Path traversal in myPRO - CVE-2021-33005


Vulnerability identifier: #VU55631

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-33005

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
myPRO
Server applications / SCADA systems

Vendor: mySCADA

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences. A remote attacker can send a specially crafted HTTP request and upload arbitrary files to arbitrary directories.

Mitigation
Install update from vendor's website.

Vulnerable software versions

myPRO: before 8.20.0


External links
https://ics-cert.us-cert.gov/advisories/icsa-21-217-03


Q & A

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.


Latest bulletins with this vulnerability