CVE-2022-2277

HIGHNVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2022-09-15. NVD baseline CVSS 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
7.5
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 7.5Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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:*:*:*:*:*:*:*

CVSS v3
7.5
EG Score
7.5(medium)
EPSS
46.9%
KEV
Not listed

Published

September 14, 2022

Last Modified

November 21, 2024

References (2)

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 11× in last 7d / 45× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-11 08:25 UTCEPSS rescore
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  1. 2026-06-23 21:31 UTCEPSS rescore
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  46. 2026-05-31 00:15 UTCEPSS rescore
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  50. 2026-05-28 13:43 UTCEPSS rescore
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  58. 2026-05-26 07:17 UTCEPSS rescore
  59. 2026-05-25 15:29 UTCEG score recompute
  60. 2026-05-25 15:29 UTCGHSA enrichment
  61. 2026-05-24 16:51 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2022-2277?
CVE-2022-2277 is a high vulnerability published on September 14, 2022. 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…
When was CVE-2022-2277 disclosed?
CVE-2022-2277 was first published in the National Vulnerability Database on September 14, 2022, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2022-2277 actively exploited?
CVE-2022-2277 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 46.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2022-2277?
CVE-2022-2277 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2022-2277?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-2277, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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