CVE-2022-22151

Operational log corruption via unneutralized packet output

Published Mar 11, 2022 · Updated Aug 3, 2024

Log injection in CAMS for HIS Log Server in CENTUM CS 3000, CENTUM VP, and Exaopc allows adjacent attackers to corrupt logs. The server fails to neutralize malformed-packet data before producing log output, enabling invalid entries or arbitrary log-file creation and overwrite. Exploitation requires adjacent network reachability and user interaction; successful abuse can crash logging or impede later incident analysis.

CVSS severity5.9
Medium
EPSS probability0.80%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Log injection in CAMS for HIS Log Server in CENTUM CS 3000, CENTUM VP, and Exaopc allows adjacent attackers to corrupt logs. The server fails to neutralize malformed-packet data before producing log output, enabling invalid entries or arbitrary log-file creation and overwrite. Exploitation requires adjacent network reachability and user interaction; successful abuse can crash logging or impede later incident analysis.

The record

CVE
CVE-2022-22151
Published
Mar 11, 2022
Updated
Aug 3, 2024
Vendor
Yokogawa Electric Corporation
Product
Exaopc
Classifications
CWE-116, CWE-117, T1070
Attack vector
adjacent
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 11, 2022CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 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=versions from R3.72.00 to R3.79.00

What conditions does exploitation require?

Attack vectoradjacent
Required privilegesunauthenticated

What is affected?

Yokogawa Electric Corporation · Exaopcversion=versions from R3.72.00 to R3.79.00
Yokogawa Electric Corporation · CENTUM CS 3000version=versions from R3.08.10 to R3.09.00
Yokogawa Electric Corporation · CENTUM VPversion=versions from R4.01.00 to R4.03.00; version=versions from R5.01.00 to R5.04.20; version=versions from R6.01.00 to R6.08.00

Published CVSS scores

5.9Yokogawa Electric CorporationCVSS:3.0/AV:A/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:H
4.9NIST NVDAV:N/AC:M/Au:S/C:N/I:P/A:P
8.1NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

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)
Vectoradjacent
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-116Improper Encoding or Escaping of Output
CWE-117Improper Output Neutralization for Logs
T1070Indicator Removal

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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