VDB
CVE-2021-33485
CVE-2021-33485
PUBLISHED
CVSS 9.8 CRITICAL
CODESYS Control Runtime system before 3.5.17.10 has a Heap-based Buffer Overflow.
Reported by mitre · Published August 3, 2021
CODESYS Control Runtime system before 3.5.17.10 has a Heap-based Buffer Overflow.
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| control_win_sl | codesys | 3.5.17.10 |
| hmi | codesys | 3.5.17.10 |
| control_runtime_system_toolkit | codesys | 3.5.17.10 |
Risk scores
CVSS 3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
| n/a | n/a | * |
Timeline
- Aug 3, 2021 CVE Published
- Aug 4, 2021 EPSS Score (30 in total, the first dated here)
- Jun 1, 2026 Security Advisory
- Aug 1, 2026 Coalition ESS Score
Query this with the API
The same record, from the CLI:
vulnetix vdb vuln CVE-2021-33485
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curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
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