CVE-2022-34838
CWE-257Published: August 24, 2022· Updated: Jun 17, 2026
Official Description
Storing Passwords in a Recoverable Format vulnerability in ABB Zenon 8.20 allows an attacker who successfully exploit the vulnerability may add or alter data points and corresponding attributes. Once such engineering data is used the data visualization will be altered for the end user.
Technical Analysis
CVE-2022-34838 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), with a CVSS base score of 8.4.
The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (2)
Quick Facts
Related CVEs (CWE-257)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2022-34838 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts