CVE-2019-6857
No exploitation reported by the sources we read.
- Published2020-01-06
- Fixed in3.60
- WeaknessCWE-754
Am I affected?
Debian, Ubuntu or Red Hat sometimes backport a fix without changing the upstream version number: such a version reads « to verify », never « affected ».With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.
Description
A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in Modicon M580, Modicon M340, Modicon Quantum, Modicon Premium (see security notification for specific versions) which could cause a Denial of Service of the controller when reading specific memory blocks using Modbus TCP.
Timeline
dates in UTC- 2020-01-0623:15CVE publishedNVD
Observed activity
isMalicious corpus · updated 2026-10-23 21:37 UTCBlock these indicators
- Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2019-6857?format=txt
- CSV export: https://api.ismalicious.com/edl/cve/CVE-2019-6857?format=csv
- TAXII collection of exploited CVEs
- The EDL and CSV take an API key on the Pro plan.
Versions per branch
NVD| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| 3.60 | < 3.60 | 3.60 | NVD |
| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| 3.60 | < 3.60 | 3.60 | NVD |
| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| 3.60 | < 3.60 | 3.60 | NVD |
26 more products in the sources.
as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.
Distribution builds and vendor advisories
Packages from OSV.dev and products from the vendors' CSAF advisories.
version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.
Vendor advisories
Schneider Electric Modicon Controllers (Update A)
Modicon Premium: all versions prior to v3.20 · Modicon Quantum: all versions prior to v3.60 · Modicon Quantum: all versions prior to v3.52 · +2 more
Fix
- Update Schneider-electric 140cpu65150 firmware to 3.60
- Mitigation from the vendor CISA ICSA-20-016-01 · 5 productsBMEP584040: Specific Modicon M580 firmware v3.10
- Mitigation from the vendor CISA ICSA-20-016-01 · 5 productsBMEH584040 and C: Specific Modicon M580 firmware v3.10
- Mitigation from the vendor CISA ICSA-20-016-01 · 5 productsBMEP586040 and C: Specific Modicon M580 firmware v3.10
- Mitigation from the vendor CISA ICSA-20-016-01 · 5 productsBMEH586040 and C: Specific Modicon M580 firmware v3.10
- Mitigation from the vendor CISA ICSA-20-016-01 · 5 productsBMEP581020 and H: Specific Modicon M580 firmware v3.10
- Mitigation from the vendor CISA ICSA-20-016-01 · 5 productsBMEP582020 and H: Specific Modicon M580 firmware v3.10
Advisories and patches
- www.se.comVendor Advisory
Detection
- Nuclei template
- none so far ProjectDiscovery
- Exploit-DB
- no entry Exploit-DB
- Proof-of-concept repositories
- none listed PoC-in-GitHub
Sources
Technical details
- CVSS v3 Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Published
- 2020-01-06
- Last Modified
- 2026-06-17
- NVD status
- Modified
Frequently asked questions
What is CVE-2019-6857?
Is CVE-2019-6857 actively exploited?
What is the CVSS score for CVE-2019-6857?
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