Home/CVE/CODESYS V3 web server before 3.5.15.40, as used in CODESYS Control runtime systems, has a buffer overflow.
CVE

CVE-2020-10245

CODESYS V3 web server before 3.5.15.40, as used in CODESYS Control runtime systems, has a buffer overflow.

CODESYS V3 web server before 3.5.15.40, as used in CODESYS Control runtime systems, has a buffer overflow.

CRITICAL · CVSS 9.8 EPSS 0.0141
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-787Out-of-bounds Write
▤

Affected Products & Versions

14
codesys control for beaglebone< 3.5.15.40
codesys control for empc-a\/imx6< 3.5.15.40
codesys control for iot2000< 3.5.15.40
codesys control for linux< 3.5.15.40
codesys control for pfc100< 3.5.15.40
codesys control for pfc200< 3.5.15.40
codesys control for plcnext< 3.5.15.40
codesys control for raspberry pi< 3.5.15.40
⚠

Public Exploits & PoCs

1
pocwww.tenable.com · tra-2020-16www.tenable.com
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD26 Mar 2020 · 04:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

2
cisa-csafcisa-csaf-csaf_files-OT-white-2025-icsa-25-273-04
cisa-csafcisa-csaf-csaf_files-OT-white-2026-icsa-26-076-01
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=13078&token=de344ca65252463cc581ef144e0c53bd97b8f211&download=Vendor Advisory
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