CVE-2019-19092Network attack vector

Undetected client-state alteration via unsigned ViewState

Published Apr 2, 2020 · Updated Aug 5, 2024

Improper ViewState integrity protection in Hitachi Energy eSOMS 4.0 through 6.0.3 allows attackers to alter client state undetected. The ASP.NET application processes ViewState without a message authentication code, so modified state data is not authenticated before use. Reachability requires low-privilege access and user interaction; no further consequence of the undetected alteration is publicly documented.

CVSS severity3.5
Low
EPSS probability0.83%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper ViewState integrity protection in Hitachi Energy eSOMS 4.0 through 6.0.3 allows attackers to alter client state undetected. The ASP.NET application processes ViewState without a message authentication code, so modified state data is not authenticated before use. Reachability requires low-privilege access and user interaction; no further consequence of the undetected alteration is publicly documented.

The record

CVE
CVE-2019-19092
Published
Apr 2, 2020
Updated
Aug 5, 2024
Vendor
Hitachi Energy
Product
Electronic Shift Operations Management System (eSOMS)
Classifications
CWE-306
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Apr 2, 2020CVE publishedPublication date reported by the CVE source.
  2. Aug 5, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=4.0 to 6.0.3

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Hitachi Energy · Electronic Shift Operations Management System (eSOMS)version=4.0 to 6.0.3

Published CVSS scores

3.5NIST National Vulnerability DatabaseCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
3.5NIST National Vulnerability DatabaseAV:N/AC:M/Au:S/C:P/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-306Missing Authentication for Critical Function

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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