Vulnerability · Published Aug 19, 2022 · Assigned by icscert

CVE-2022-2788

Low 3.9

In plain English

A low-severity security flaw in Proficy Machine Edition from Emerson Electric. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 15% of all known vulnerabilities).

Severity (CVSS 3.1)3.9Low

Exploit odds (30 days)0.2%top 85.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Emerson Electric's Proficy Machine Edition Version 9.80 and prior is vulnerable to CWE-29 Path Traversal: '\..\Filename', also known as a ZipSlip attack, through an upload procedure which enables attackers to implant a malicious .BLZ file on the PLC. The file can transfer through the engineering station onto Windows in a way that executes the malicious code.

Affected products (as reported)

Vendor	Product	Versions
Emerson Electric	Proficy Machine Edition	all – through 9.80

Weakness: CWE-29 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L

References

https://www.cisa.gov/uscert/ics/advisories/icsa-22-228-06 x_refsource_MISC