CVE record · CVE-2022-40267

Authentication Bypass Vulnerability in Web Server Function on MELSEC Series

CVSS 5.9 MediumEPSS 0.012 · 69th percentile

Published by the CVE Program (CNA: Mitsubishi) at 20 Jan 2023, 07:52 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5U-32MT/ES	affected serial number 17X** or later, and versions 1.280 and prior affected serial number 179** and prior, and versions 1.074 and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5U-64MT/ES	affected serial number 17X** or later, and versions 1.280 and prior affected serial number 179** and prior, and versions 1.074 and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Seres FX5U-80MT/ES	affected serial number 17X** or later, and versions 1.280 and prior affected serial number 179** and prior, and versions 1.074 and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5U-32MR/ES	affected serial number 17X** or later, and versions 1.280 and prior affected serial number 179** and prior, and versions 1.074 and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5U-64MR/ES	affected serial number 17X** or later, and versions 1.280 and prior affected serial number 179** and prior, and versions 1.074 and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5U-80MR/ES	affected serial number 17X** or later, and versions 1.280 and prior affected serial number 179** and prior, and versions 1.074 and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5U-32MT/DS	affected serial number 17X** or later, and versions 1.280 and prior affected serial number 179** and prior, and versions 1.074 and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5U-64MT/DS	affected serial number 17X** or later, and versions 1.280 and prior affected serial number 179** and prior, and versions 1.074 and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5U-80MT/DS	affected serial number 17X** or later, and versions 1.280 and prior affected serial number 179** and prior, and versions 1.074 and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5U-32MR/DS	affected serial number 17X** or later, and versions 1.280 and prior affected serial number 179** and prior, and versions 1.074 and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5U-64MR/DS	affected serial number 17X** or later, and versions 1.280 and prior affected serial number 179** and prior, and versions 1.074 and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5U-80MR/DS	affected serial number 17X** or later, and versions 1.280 and prior affected serial number 179** and prior, and versions 1.074 and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5U-32MT/ESS	affected serial number 17X** or later, and versions 1.280 and prior affected serial number 179** and prior, and versions 1.074 and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5U-64MT/ESS	affected serial number 17X** or later, and versions 1.280 and prior affected serial number 179** and prior, and versions 1.074 and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5U-80MT/ESS	affected serial number 17X** or later, and versions 1.280 and prior affected serial number 179** and prior, and versions 1.074 and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5U-32MT/DSS	affected serial number 17X** or later, and versions 1.280 and prior affected serial number 179** and prior, and versions 1.074 and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5U-64MT/DSS	affected serial number 17X** or later, and versions 1.280 and prior affected serial number 179** and prior, and versions 1.074 and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5U-80MT/DSS	affected serial number 17X** or later, and versions 1.280 and prior affected serial number 179** and prior, and versions 1.074 and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UC-32MT/D	affected serial number 17X** or later, and versions 1.280 and prior affected serial number 179** and prior, and versions 1.074 and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UC-64MT/D	affected serial number 17X** or later, and versions 1.280 and prior affected serial number 179** and prior, and versions 1.074 and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UC-96MT/D	affected serial number 17X** or later, and versions 1.280 and prior affected serial number 179** and prior, and versions 1.074 and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UC-32MT/DSS	affected serial number 17X** or later, and versions 1.280 and prior affected serial number 179** and prior, and versions 1.074 and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UC-64MT/DSS	affected serial number 17X** or later, and versions 1.280 and prior affected serial number 179** and prior, and versions 1.074 and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UC-96MT/DSS	affected serial number 17X** or later, and versions 1.280 and prior affected serial number 179** and prior, and versions 1.074 and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UC-32MT/DS-TS	affected versions 1.280 and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UC-32MT/DSS-TS	affected versions 1.280 and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UC-32MR/DS-TS	affected versions 1.280 and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-R Series R00CPU	affected versions 33 and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-R Series R01CPU	affected versions 33 and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-R Series R02CPU	affected versions 33 and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-R Series R04CPU	affected versions 66 and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-R Series R08CPU	affected versions 66 and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-R Series R16CPU	affected versions 66 and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-R Series R32CPU	affected versions 66 and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-R Series R120CPU	affected versions 66 and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-R Series R04ENCPU	affected versions 66 and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-R Series R08ENCPU	affected versions 66 and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-R Series R16ENCPU	affected versions 66 and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-R Series R32ENCPU	affected versions 66 and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-R Series R120ENCPU	affected versions 66 and prior Other versions: unaffected

And 27 more products. The full list is on the CVE record.

Identifiers: CVE-2022-40267
CNA: Mitsubishi
Weakness (CWE): CWE-337
Tags: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-32MT/ES
Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-64MT/ES
Mitsubishi Electric Corporation MELSEC iQ-F Seres FX5U-80MT/ES
Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-32MR/ES
Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-64MR/ES
Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-80MR/ES
Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-32MT/DS
Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-64MT/DS
CWE-337
Published: 20 Jan 2023
Updated: 3 Aug 2024

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
5.9	Medium	3.1	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N	CNA (Mitsubishi)

CISA KEV Not listed.
EPSS 0.012, the 69th percentile, on 6 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 20 Jan 2023. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.