CVE-2022-1523

criticalpriority · track · 36EPSS 0.006 · 47 %ileEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.57% (47th) EPSS

CVSS 9.1 · critical

Is it mine?

5 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cisa_csaf_ot

EPSS · scored 2026-10-27

Fuji Electric D300win prior to version 3.7.1.17 is vulnerable to a write-what-where condition, which could allow an attacker to overwrite program memory to manipulate the flow of information.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedD300wincisa_csaf_ot
Fuji Electric has fixed these vulnerabilities and recommends users upgrade to D300win v3.7.1.17 or later.
https://www.fujielectric.com/products/plc/product_information/prgrm-expert/

cvss

Technical severity, 0–10. One row per scoring source.

9.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–critical · 6.1–9.1

v3.19.1criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.2

v3.06.1mediumCVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:H/A:Nsecondary · CISA US

v3.17.4highAV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:Nsecondary · FSTEC (BDU) RU

v3.16.1mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:H/A:Nsecondary · ENISA EU

v3.16.1mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:H/A:Nsecondary · ics-cert@hq.dhs.gov USexploitability 1.6 · impact 4

v3.18.3highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-787USprimaryCWE-123USCWE-123USCWE-123US

affected products (5)

Products and version ranges known to be affected.

D300win: versions prior to 3.7.1.17all versionscisa_csaf_otUS
Fuji Electric D300win< 3.7.1.17cisa_csaf_otUS
Fuji Electric D300win3.7.1.16 → 3.7.1.17enisa_euvdEU
Fuji Electric SX-Programmer Expert(D300win)≤ 3.7.1.17fstec_bduRU
fujielectric d300win< 3.7.1.17nvdUScpe:2.3:a:fujielectric:d300win:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

ICSA-22-242-05Fuji Electric D300win2022-08-30icsa · cisa_csaf_otUS
Successful exploitation of these vulnerabilities could result in loss of sensitive data and manipulation of information.

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cisa_csaf_ot nvd NVD CVE.org MITRE

published 2022-10-19modified 2026-06-17

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+16119 more

references (7)

External citations — patches, advisories, analysis.

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