HOMEVULNERABILITIESCVE-2022-22517
HIGH

CVE-2022-22517

CWE-334Published: April 7, 2022· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

An unauthenticated, remote attacker can disrupt existing communication channels between CODESYS products by guessing a valid channel ID and injecting packets. This results in the communication channel to be closed.

NVD Source

Technical Analysis

CVE-2022-22517 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

codesys20 product(s)
control for beaglebone slcontrol for beckhoff cx9020control for empc-a\/imx6 slcontrol for iot2000 slcontrol for linux slcontrol for pfc100 slcontrol for pfc200 slcontrol for plcnext slcontrol for raspberry pi slcontrol for wago touch panels 600 slcontrol rte slcontrol rte sl \(for beckhoff cx\)+8
Source: NVD CPE · 20 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

News & Research Mentioning CVE-2022-22517

CODESYS in Festo Automation Suite
CISA Alerts· Mar 17, 2026

View CSAF Summary 3. TECHNICAL DETAILS The following versions of CODESYS in Festo Automation Suite are affected: FESTO Software Festo Automation Suite (versions prior to 2.8.0.138) installed with CODESYS Software CODESYS Development System (3.0) vers:all/* FESTO Software Festo Automation Suite (versions prior to 2.8.0.138) installed with CODESYS Software CODESYS Development System (3.5.16.10) vers:all/* FESTO Software Festo Automation Suite (2.8.0.137) installed with CODESYS Software CODESYS Development System (3.0) vers:all/* FESTO Software Festo Automation Suite (2.8.0.137) installed with CODESYS Software CODESYS Development System (3.5.16.10) vers:all/* CVSS Vendor Equipment Vulnerabilities v3 9.8 FESTO, CODESYS CODESYS in Festo Automation Suite D [xlite_meta score:79 src:CISA Alerts xlite_fp:17fca52d9c8a749f3ecbaf32eff92f14e856489804a56a18cc6c0d7f4acd2a9d]

All References (2)

Quick Facts

CVE IDCVE-2022-22517
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-334
CISA KEVNo
Affected1 vendor(s)
PublishedApr 7, 2022

Related CVEs (CWE-334)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2022-22517 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.