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Vulnerabilities

Threat intelligence · CVE-2021-22883

Vulnerabilities in Hitachi Energy e-mesh EMS Multiple vulnerabilities have been identified in Hitachi Energy e-mesh EMS {optimizer suite for the energy management of d…

Published Apr 7, 2022 · the affected product

Last checked Nov 5, 2026. A connected source was read within the last 7 days.

Check this week

CVE-2021-22883 is not in CISA KEV. FIRST estimates a 77.39% chance of exploitation in the next 30 days. Check whether you run the affected product.

Gaps on this record

  • No plain product name is stored. The page cannot tell you which product to check.
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Unknown—
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
77.39%
Remediation
Not established
Affected products
See sources for product scope

Vulnerabilities in Hitachi Energy e-mesh EMS Multiple vulnerabilities have been identified in Hitachi Energy e-mesh EMS {optimizer suite for the energy management of distributed energy resources}, leading to DoS and buffer overflow attacks. How it can be Exploited CVE-2021-22883: The denial of service vulnerability exists in Hitachi Energy e-mesh EMS due to improper management of internal resources within the applica

No affected version ranges are stored yet. Use the vendor advisory before you decide this record does not apply.

How to fix CVE-2021-22883

  • No stored fix

    No vendor fix text is stored. Use the linked advisory before you change production.

  • Version check

    No version range is stored, so an installed version cannot be checked on this page.

  • Advisory

    Open the cve_org record and follow its fix.

  • Official advisories

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2021-22883 is not in CISA KEV. FIRST estimates a 77.39% chance of exploitation in the next 30 days. Check whether you run the affected product.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 77.39%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 7, 2022 · AlienVault OTX

    Detected

    Vulnerabilities in Hitachi Energy e-mesh EMS Multiple vulnerabilities have been identified in Hitachi Energy e-mesh EMS {optimizer suite for the energy management of distributed energy resources}, leading to DoS and buffer overflow attacks. How it can be Exploited CVE-2021-22883: The denial of service vulnerability exists in Hitachi Energy e-mesh EMS due to improper management of internal resource

Sources

References

Freshness

Last verified in this catalog Nov 5, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • CVE.orgNov 4, 2026
  • AlienVault OTXNov 2, 2026