SARA / Free Tools / CVE / CVE-2019-6847

CVE-2019-6847 — A CWE-755: Improper Handling of Exceptional Conditions vulnerability exists in M

A CWE-755: Improper Handling of Exceptional Conditions vulnerability exists in Modicon M580, Modicon M340, Modicon BMxCRA and 140CRA modules (all firmware versions), which could cause a Denial of Service attack on the FTP service when upgrading the firmware with a version incompa

CVSS
— —
EPSS
0.36% (top 42.00%)
CWE
CWE-755
Published
2019-10-29T14:52:24.000Z
Last modified
2024-08-04T20:31:04.413Z
CVSS vector
—

01What is this vulnerability?

A CWE-755: Improper Handling of Exceptional Conditions vulnerability exists in Modicon M580, Modicon M340, Modicon BMxCRA and 140CRA modules (all firmware versions), which could cause a Denial of Service attack on the FTP service when upgrading the firmware with a version incompatible with the application in the controller using FTP protocol.

02Affected products

VendorProductVersions
na / Modicon M580, Modicon M340, and Modicon BMxCRA / 140CRA modules (see notification for version info)Modicon M580, Modicon M340, and Modicon BMxCRA / 140CRA modules (see notification for version info)

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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