CVE-2022-25157

CRITICALNVD 9.19.1—
EchelonGraph scoreMEDIUM confidence

Score 9.1 from GitHub Security Advisory (severity: CRITICAL) published 2022-04-03. NVD baseline CVSS 9.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.1
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 2%CVSS: 9.1Exploit: NoneExposed: 0

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

Use of Password Hash Instead of Password for Authentication vulnerability in Mitsubishi Electric MELSEC iQ-F series FX5U(C) CPU all versions, Mitsubishi Electric MELSEC iQ-F series FX5UJ CPU all versions, Mitsubishi Electric MELSEC iQ-R series R00/01/02CPU all versions, Mitsubishi Electric MELSEC iQ-R series R04/08/16/32/120(EN)CPU all versions, Mitsubishi Electric MELSEC iQ-R series R08/16/32/120SFCPU all versions, Mitsubishi Electric MELSEC iQ-R series R08/16/32/120PCPU all versions, Mitsubishi Electric MELSEC iQ-R series R08/16/32/120PSFCPU all versions, Mitsubishi Electric MELSEC iQ-R series R16/32/64MTCPU all versions, Mitsubishi Electric MELSEC iQ-R series RJ71C24(-R2/R4) all versions, Mitsubishi Electric MELSEC iQ-R series RJ71EN71 all versions, Mitsubishi Electric MELSEC iQ-R series RJ71GF11-T2 all versions, Mitsubishi Electric MELSEC iQ-R series RJ71GP21(S)-SX all versions, Mitsubishi Electric MELSEC iQ-R series RJ72GF15-T2 all versions, Mitsubishi Electric MELSEC Q series Q03UDECPU all versions, Mitsubishi Electric MELSEC Q series Q04/06/10/13/20/26/50/100UDEHCPU all versions, Mitsubishi Electric MELSEC Q series Q03/04/06/13/26UDVCPU all versions, Mitsubishi Electric MELSEC Q series Q04/06/13/26UDPVCPU all versions, Mitsubishi Electric MELSEC Q series QJ71C24N(-R2/R4) all versions, Mitsubishi Electric MELSEC Q series QJ71E71-100 all versions, Mitsubishi Electric MELSEC L series L02/06/26CPU(-P) all versions, Mitsubishi Electric MELSEC L series L26CPU-(P)BT all versions, Mitsubishi Electric MELSEC L series LJ71C24(-R2) all versions, Mitsubishi Electric MELSEC L series LJ71E71-100 all versions and Mitsubishi Electric MELSEC L series LJ72GF15-T2 all versions allows a remote unauthenticated attacker to disclose or tamper with the information in the product by using an eavesdropped password hash.

CVSS v3
9.1
EG Score
9.1(medium)
EPSS
81.4%
KEV
Not listed

Published

April 1, 2022

Last Modified

November 21, 2024

Advisory Details (3)

Auto-updated Jul 21, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: cisa.
generic
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-031_en.pdf
cisa Patch Available🔴 Active Exploitation

Mitsubishi Electric FA Products (Update A) | CISA

Mitsubishi Electric FA Products (Update A) | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/uscert/ics/advisories/icsa-22-090-04
generic

JVNVU#96577897: 三菱電機製FA製品における複数の脆弱性

https://jvn.jp/vu/JVNVU96577897/index.html

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 11× in last 7d / 43× 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. 2026-07-22 14:06 UTCEPSS rescore
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  1. 2026-07-06 02:21 UTCEPSS rescore
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  22. 2026-06-19 19:24 UTCEPSS rescore
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  24. 2026-06-18 17:51 UTCEPSS rescore
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  44. 2026-06-06 13:46 UTCEPSS rescore
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  68. 2026-05-26 07:17 UTCEPSS rescore
  69. 2026-05-26 07:17 UTCEPSS rescore
  70. 2026-05-26 00:37 UTCEG score recompute
  71. 2026-05-26 00:37 UTCGHSA enrichment

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Frequently asked(5)

What is CVE-2022-25157?
CVE-2022-25157 is a critical vulnerability published on April 1, 2022. Use of Password Hash Instead of Password for Authentication vulnerability in Mitsubishi Electric MELSEC iQ-F series FX5U(C) CPU all versions, Mitsubishi Electric MELSEC iQ-F series FX5UJ CPU all versions, Mitsubishi Electric MELSEC iQ-R series R00/01/02CPU all versions, Mitsubishi Electric MELSEC…
When was CVE-2022-25157 disclosed?
CVE-2022-25157 was first published in the National Vulnerability Database on April 1, 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-2022-25157 actively exploited?
CVE-2022-25157 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 81.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2022-25157?
CVE-2022-25157 has a CVSS v3 base score of 9.1 (NVD).
How do I remediate CVE-2022-25157?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-25157, 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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