SARA / Free Tools / CVE / CVE-2022-34762

CVE-2022-34762 — A CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Tra

A CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability exists that could cause unauthorized firmware image loading when unsigned images are added to the firmware image path. Affected Products: X80 advanced RTU Communicatio

CVSS
5.9 MEDIUM
EPSS
0.40% (top 39.50%)
CWE
CWE-22
Published
2022-07-13T21:10:56.827Z
Last modified
2024-09-16T16:22:52.936Z
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H

01What is this vulnerability?

A CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability exists that could cause unauthorized firmware image loading when unsigned images are added to the firmware image path. Affected Products: X80 advanced RTU Communication Module (BMENOR2200H) (V2.01 and later), OPC UA Modicon Communication Module (BMENUA0100) (V1.10 and prior)

02Affected products

VendorProductVersions
Schneider ElectricOPC UA Modicon Communication ModuleBMENUA0100
Schneider ElectricX80 advanced RTU Communication ModuleV2.01

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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