CyberSecBulletin
CVE-2022-2277NVD status: Modified

MicroSCADA X SYS600: Improper Validation of Specified Quantity in Input

Published Updated By the CyberSecBulletin desk

CVE-2022-2277 is a high-severity improper validation of specified quantity in input vulnerability in MicroSCADA X SYS600 from Hitachi Energy, with a CVSS 3.1 base score of 7.5 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. Affected MicroSCADA X SYS600 versions: 10.2; 10.2.1; 10.3, and others listed below. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.78% chance of exploitation within 30 days, higher than 57% of scored CVEs.

Next patch cycle

High severity with no evidence of exploitation so far.

What to do

  1. Check which version of MicroSCADA X SYS600 you run against the affected versions below, and install the vendor's latest release.
  2. Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.

Affected products and versions

VendorProductAffected versionsFixed in
Hitachi EnergyMicroSCADA X SYS60010.2; 10.2.1; 10.3; 10.3.1Not stated

Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.

How the severity score breaks down

Attack vector
NetworkCan be exploited remotely over a network, including the internet.
Attack complexity
LowNo special conditions are needed; the attack works reliably.
Privileges required
NoneNo account or login is needed.
User interaction
NoneNo action by a victim is required.
Scope
UnchangedImpact stays within the vulnerable component.
Confidentiality
NoneNo data is disclosed.
Integrity
NoneNothing can be modified.
Availability
HighThe component can be taken down completely.

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. Scored by NVD.

Scoring systemScoreSeverityScored by
CVSS 3.17.5HighCNA (hitachienergy.com)
CVSS 3.17.5HighNVD

Official description

Improper Input Validation vulnerability exists in the Hitachi Energy MicroSCADA X SYS600's ICCP stack during the ICCP communication establishment causes a denial-of-service when ICCP of SYS600 is request to forward any data item updates with timestamps too distant in the future to any remote ICCP system. By default, ICCP is not configured and not enabled. This issue affects: Hitachi Energy MicroSCADA X SYS600 version 10.2 to version 10.3.1. 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:*:*:*:*:*:*:*

Source: the CVE record as published by its numbering authority, via NVD and CVE.org.

The underlying weakness: Improper Validation of Specified Quantity in Input

The product receives input that is expected to specify a quantity (such as size or length), but it does not validate or incorrectly validates that the quantity has the required properties.

More Improper Validation of Specified Quantity in Input vulnerabilities (CWE-1284)

Timeline

  1. CVE record published.
  2. CISA published its SSVC assessment (exploitation: none, automatable: yes, technical impact: partial).
  3. Record last changed materially (score, affected products, status or references).

References

Other vulnerabilities in MicroSCADA X SYS600

All MicroSCADA X SYS600 vulnerabilities

Recent Improper Validation of Specified Quantity in Input vulnerabilities

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