VIR Vulnerability Intelligence Relay

CVE-2021-22785

high
Published 2022-02-11 · Modified 2026-05-29
💬 Discuss on Community ✚ Propose mitigation
CVSS v3
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS v4 NEW
—
not yet in upstream
VIR risk
7.5

Description

A CWE-200: Information Exposure vulnerability exists that could cause sensitive information of files located in the web root directory to leak when an attacker sends a HTTP request to the web server of the device. Affected Product: Modicon M340 CPUs: BMXP34 (Versions prior to V3.40), Modicon M340 X80 Ethernet Communication Modules: BMXNOE0100 (H), BMXNOE0110 (H), BMXNOC0401, BMXNOR0200H RTU (All Versions), Modicon Premium Processors with integrated Ethernet (Copro): TSXP574634, TSXP575634, TSXP576634 (All Versions), Modicon Quantum Processors with Integrated Ethernet (Copro): 140CPU65xxxxx (All Versions), Modicon Quantum Communication Modules: 140NOE771x1, 140NOC78x00, 140NOC77101 (All Versions), Modicon Premium Communication Modules: TSXETY4103, TSXETY5103 (All Versions)

Predictions

Exploit likelihood
83%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Application impact
VendorProductVersionsFixed
schneider-electrictsxp575634-
schneider-electric140cpu65150-
schneider-electric140noe771x1-
schneider-electric140noc78x00-
schneider-electric140noc77101-
schneider-electrictsxety4103-
schneider-electrictsxety5103-
schneider-electricmodicon_m340_bmxp342020-
schneider-electrictsxp576634-
schneider-electricbmxnoe0100-
schneider-electricbmxnoe0110-
schneider-electricbmxnoc0401-
schneider-electricbmxnor0200h_rtu-
schneider-electrictsxp574634-

References

CWEs

CWE-200

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.