What is CVE-2022-29492?

CVE-2022-29492 is a medium-severity vulnerability in Hitachi Energy Microscada Pro Sys600, classified under Improper Input Validation. CVSS score: 5.3/10. Published 2022-09-14.

How severe is CVE-2022-29492?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Improper input validation in Hitachi Energy Microscada Pro Sys600

CVE-2022-29492

Improper Input Validation vulnerability in the handling of a malformed IEC 104 TCP packet in the Hitachi Energy MicroSCADA X SYS600, MicroSCADA Pro SYS600. Upon receiving a malformed IEC 104 TCP packet, the malformed packet is dropped, however the TCP connection is left open. This may cause a denial-of-service if the affected connection is left open. This issue affects: Hitachi Energy MicroSCADA Pro SYS600 version 9.4 FP2 Hotfix 4 and earlier versions Hitachi Energy MicroSCADA X SYS600 version 10 to version 10.3.1. cpe:2.3:a:hitachienergy:microscada_pro_sys600:9.0:*:*:*:*:*:*:* cpe:2.3:a:hitachienergy:microscada_pro_sys600:9.1:*:*:*:*:*:*:* cpe:2.3:a:hitachienergy:microscada_pro_sys600:9.2:*:*:*:*:*:*:* cpe:2.3:a:hitachienergy:microscada_pro_sys600:9.3:*:*:*:*:*:*:* cpe:2.3:a:hitachienergy:microscada_pro_sys600:9.4:*:*:*:*:*:*:* cpe:2.3:a:hitachienergy:microscada_x_sys600:10:*:*:*:*:*:*:* cpe:2.3:a:hitachienergy:microscada_x_sys600:10.1:*:*:*:*:*:*:* cpe:2.3:a:hitachienergy:microscada_x_sys600:10.1.1:*:*:*:*:*:*:* cpe:2.3:a:hitachienergy:microscada_x_sys600:10.2:*:*:*:*:*:*:* cpe:2.3:a:hitachienergy:microscada_x_sys600:10.2.1:*:*:*:*:*:*:* cpe:2.3:a:hitachienergy:microscada_x_sys600:10.3:*:*:*:*:*:*:* cpe:2.3:a:hitachienergy:microscada_x_sys600:10.3.1:*:*:*:*:*:*:*

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2022-09-14 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.007 (52.3th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 52.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: +0.001

Affected products

Hitachi Energy Microscada Pro Sys600 — versions unspecified
Hitachi Energy Microscada X Sys600 — versions 10, 10.1, 10.1.1
Hitachienergy Microscada X Sys600
Hitachienergy Sys600

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

search.abb.com/library/Download.aspx (Vendor Advisory)

Frequently asked questions

What is CVE-2022-29492?: CVE-2022-29492 is a medium-severity vulnerability in Hitachi Energy Microscada Pro Sys600, classified under Improper Input Validation. CVSS score: 5.3/10. Published 2022-09-14.
How severe is CVE-2022-29492?: Medium severity. CVSS v3 base score is 5.3 out of 10.