CVE-2022-47391
No exploitation reported by the sources we read.
- Published2023-05-15
- Fixed in4.8.0.0
- WeaknessCWE-20
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
In multiple CODESYS products in multiple versions an unauthorized, remote attacker may use a improper input validation vulnerability to read from invalid addresses leading to a denial of service.
Timeline
dates in UTC- 2023-05-1510:15CVE publishedNVD
Observed activity
isMalicious corpus · updated 2026-10-23 18:48 UTCBlock these indicators
- Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2022-47391?format=txt
- CSV export: https://api.ismalicious.com/edl/cve/CVE-2022-47391?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 |
|---|---|---|---|
| 4.8 | < 4.8.0.0 | 4.8.0.0 | NVD |
| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| 4.8 | < 4.8.0.0 | 4.8.0.0 | NVD |
| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| 4.8 | < 4.8.0.0 | 4.8.0.0 | NVD |
14 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 devices using CODESYS Runtime
Schneider Electric HMISCU Controller All versions prior to v6.3.1 · Schneider Electric Modicon Controller M241 All versions prior to v5.2.11.18 · Schneider Electric Modicon Controller M251 All Versions prior to v5.2.11.18 · +12 more
Fix
- Update Codesys control for beaglebone sl to 4.8.0.0
- Vendor fix CISA ICSA-26-020-02 · 1 productVersion 6.3.1 of Vijeo Designer includes a fix for this vulnerability and can be updated through the Schneider Electric Software Update (SESU) application. https://www.se.com/ww/en/product-range/1054-vijeodesigner-hmi-software/#software-and-firmware On the engineering workstation, update to v6.3.1 …
- Vendor fix CISA ICSA-26-020-02 · 1 productModicon Controller M241 Firmware delivered with Machine Expert v2.2 includes a fix for this vulnerability and can be updated through the Schneider Electric Software Update (SESU) application. https://www.se.com/ww/en/product-range/2226-ecostruxure-machine-expert-software/ On the engineering worksta…
- Vendor fix CISA ICSA-26-020-02 · 1 productModicon Controller M251 Firmware delivered with Machine Expert v2.2 includes a fix for this vulnerability and can be updated through the Schneider Electric Software Update (SESU) application. https://www.se.com/ww/en/product-range/2226-ecostruxure-machine-expert-software/ On the engineering worksta…
- Vendor fix CISA ICSA-26-020-02 · 1 productModicon Controller M262 Firmware delivered with Machine Expert v2.2 includes a fix for this vulnerability and can be updated through the Schneider Electric Software Update (SESU) application. https://www.se.com/ww/en/product-range/2226-ecostruxure-machine-expert-software/ On the engineering worksta…
- Vendor fix CISA ICSA-26-020-02 · 1 productPacDrive 3 Controllers LMC Eco/Pro/Pro2 Firmware delivered with Machine Expert V2.2 includes a fix for this vulnerability and can be updated through the Schneider Electric Software Update (SESU) application. https://www.se.com/ww/en/product-range/2226-ecostruxure-machine-expert-software/ On the eng…
- Vendor fix CISA ICSA-26-020-02 · 1 productSoftSPS component has been removed from Machine Expert V2.2. Machine Expert can be updated through the Schneider Electric Software Update (SESU) application.
Advisories and patches
- customers.codesys.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
- 2023-05-15
- Last Modified
- 2026-06-17
- NVD status
- Analyzed
Frequently asked questions
What is CVE-2022-47391?
Is CVE-2022-47391 actively exploited?
What is the CVSS score for CVE-2022-47391?
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Related vulnerabilities
Same product first, then the same vendor advisory and the same publication week.