CVE-2020-12069
What it is
In CODESYS V3 products in all versions prior V3.5.16.0 containing the CmpUserMgr, the CODESYS Control runtime system stores the online communication passwords using a weak hashing algorithm. This can be used by a local attacker with low privileges to gain full control of the device.
At a glance
- Exploitability
- Can be exploited locally on the machine with a low-privilege account. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 0.2% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.2% in the next 30 days (EPSS).
- Severity: 7.8 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.2% · EPSS, next 30 days
- Weakness
- CWE-916
- Record status
- Analyzed
Affected
- Pilz Pmc < 3.5.17
- Codesys Control For Beaglebone < 3.5.16.0
- Codesys Control For empc-a\/imx6 < 3.5.16.0
- Codesys Control For iot2000 < 3.5.16.0
- Codesys Control For Linux < 3.5.16.0
- Codesys Control For pfc100 < 3.5.16.0
- Codesys Control For pfc200 < 3.5.16.0
- Codesys Control For Plcnext < 3.5.16.0
Attack profile CVSS 3.1 · 7.8
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2020-12069.md and follow it. Check whether this project is affected by CVE-2020-12069. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=12943&token=d097958a67ba382de688916f77e3013c0802fade&download=
- https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=12943&token=d097958a67ba382de688916f77e3013c0802fade&download=
References
- https://cert.vde.com/en/advisories/VDE-2021-061/
- https://cert.vde.com/en/advisories/VDE-2022-022/
- https://cert.vde.com/en/advisories/VDE-2022-031/
- https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=12943&token=d097958a67ba382de688916f77e3013c0802fade&download=
- https://cert.vde.com/en/advisories/VDE-2021-061/
- https://cert.vde.com/en/advisories/VDE-2022-022/
- https://cert.vde.com/en/advisories/VDE-2022-031/
- https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=12943&token=d097958a67ba382de688916f77e3013c0802fade&download=