CVE-2022-43763
Lack of checking preconditions in APROL
Insufficient check of preconditions could lead to Denial of Service conditions when calling commands on the Tbase server of B&R APROL versions < R 4.2-07.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Lack of checking preconditions in APROL
Insufficient check of preconditions could lead to Denial of Service conditions when calling commands on the Tbase server of B&R APROL versions < R 4.2-07.
- Record
CVE-2022-43763- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-252
- Updated
- 2026-11-02
EUVDEUVD-2022-46734
Insufficient check of preconditions could lead to Denial of Service conditions when calling commands on the Tbase server of B&R APROL versions < R 4.2-07.
- Record
EUVD-2022-46734- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-x3q4-892x-xrc9
Insufficient check of preconditions could lead to Denial of Service conditions when calling...
Insufficient check of preconditions could lead to Denial of Service conditions when calling commands on the Tbase server of B&R APROL versions < R 4.2-07.
- Record
GHSA-x3q4-892x-xrc9- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-252
- Updated
- 2026-11-02
NVD
Insufficient check of preconditions could lead to Denial of Service conditions when calling commands on the Tbase server of B&R APROL versions < R 4.2-07.
- Record
CVE-2022-43763- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-252
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2022-43763 is a high vulnerability (CVSS 7.5) in B&r Industrial Automation Aprol, published February 8, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.62%, the 49th percentile. No source names a fixed version.