VulnerabilityModified
CVE-2021-43936
The software allows the attacker to upload or transfer files of dangerous types to the WebHMI portal, that may be automatically processed within the product's environment or lead to arbitrary code execution.
CRITICAL 9.8EPSS 35.8%
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 35.8%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
Description
The software allows the attacker to upload or transfer files of dangerous types to the WebHMI portal, that may be automatically processed within the product's environment or lead to arbitrary code execution.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 35.80% probability · 98th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-434
- Affected
- webhmi/webhmi firmware
- Source
- ics-cert@hq.dhs.gov
References
- http://packetstormsecurity.com/files/165252/WebHMI-4.0-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
- https://us-cert.cisa.gov/ics/advisories/icsa-21-336-03Patch, Third Party Advisory, US Government Resource
- http://packetstormsecurity.com/files/165252/WebHMI-4.0-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
- https://us-cert.cisa.gov/ics/advisories/icsa-21-336-03Patch, Third Party Advisory, US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.