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CVE-2020-14509
Multiple memory corruption vulnerabilities exist in CodeMeter (All versions prior to 7.10) where the packet parser mechanism does not verify length fields. An attacker could send specially crafted packets to exploit these vulnerabilities.
This record: live connection— last retrieved: 7 November 2026 at 02:05.
Vendors
Products
PMC programming tool 3.x.x, CODESYS Development System, Automation Suite, u-create studio, Codemeter, CAD/CAM software tools
up to version 3.0.0<=3.5.15
Published
16 September 2020
Last modified
17 June 2026
Taken directly from NVD, CISA or the vendor — sometimes in English, unchanged from the source.
Multiple memory corruption vulnerabilities exist in CodeMeter (All versions prior to 7.10) where the packet parser mechanism does not verify length fields. An attacker could send specially crafted packets to exploit these vulnerabilities.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
NETWORK
Privileges required
NONE
User interaction
NONE
Confidentiality
High
Integrity
High
Availability
High
Probability of exploitation within 30 days
2.1%
Percentile
82e
Source: FIRST.org, updated on 6 November 2026.
Use a hardware firewall, host-based firewall or comparable measures at network level toprotect against unauthorised network communication with the PC. Use a virus scanner or other measures to protect against malware. Only use CODESYS libraries and archives from trusted sources.
Our own interpretation and context for the source data above.
IACS Radar assessment
Our own interpretation and context for this vulnerability — not an official source.
IACS Radar priority score
Based on CVSS 9.8, EPSS 2.1%, industrial relevance 40/100.
Combines CVSS, EPSS, KEV status, industrial relevance and exposure relevance — a complement to, not a replacement for, the individual scores below and above.
Conditions for exploitation
Operational impact & energy relevance
Possible loss of visibility of or control over the process upon successful exploitation.
No strong energy-sector-specific signals recognised; general OT/ICS relevance.
Recommended defensive measures
Industrial relevance score
Classification is provisional; manual verification by an OT security analyst is recommended.
Classified by IACS Radar-analysepijplijn (geautomatiseerd) on 7 November 2026.
IEC 62443 mapping
Automatic IACS Radar assessment based on the reported CWE weakness classification; not an official certification statement.