Resource exhaustion in Rockwellautomation Factorytalk Linx
CVE-2020-5806
An attacker-controlled memory allocation size can be passed to the C++ new operator in the CServerManager::HandleBrowseLoadIconStreamRequest in messaging.dll. This can be done by sending a specially crafted message to 127.0.0.1:7153. Observed in FactoryTalk Linx 6.11. All versions of FactoryTalk Linx are affected.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.048 (91.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 91.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.048 · newest: 0.048 · change: 0.000
Affected products
- Rockwellautomation Factorytalk Linx
- Rockwell Factorytalk Linx — versions All versions of FactoryTalk Linx
Weakness classification (CWE)
References
- www.tenable.com/security/research/tra-2020-71 (Third Party Advisory)
Frequently asked questions
- What is CVE-2020-5806?
- CVE-2020-5806 is a medium-severity vulnerability in Rockwellautomation Factorytalk Linx, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 5.5/10. Published 2020-12-29.
- How severe is CVE-2020-5806?
- Medium severity. CVSS v3 base score is 5.5 out of 10.